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A Dick Measuring Contest

Summary:

Lucifer wants to 1Up Satan but it backfires.

Notes:

Terribly sorry how short this is and also terribly sorry how OOC Lucifer might be. Horny brain rot took over and i turned him into a whore im not even mad about it😭

Work Text:

Satan stood in front of Lucifer; arms crossed and irritation written boldly across his face. He would rather be anywhere else right now instead of standing stark naked in front of his older brother with their cocks too near each other for comfort. He didn’t understand why Lucifer was so adamant about comparing sizes, riling him up in the worst way. 

 

Are you afraid you’ll pale in comparison to me? It’s okay, it's perfectly natural. 

 

If you’re lacking in that department, then say that. 

 

I’m sure Solomon can whip up a concoction to help with that. I’ll ask him. 

 

His taunting words and that overbearing smile like he knew he was getting under Satan’s skin was enough to make the blonde shed his clothes as quickly as possible so he could get this over with. Satan didn’t have the energy to go back and forth in their usual banter and just stood angrily, looking pointedly at the floor. He’s just waiting and waiting for a barrage of taunting insults to come but… they don’t. 

 

There’s only deafening silence.

 

And Satan is none the wiser of what’s going through his older brother’s mind. 

 

Lucifer had it all planned out. He didn’t usually let Satan’s private pass times bother him but this time something caught his attention. An order arrived at their estate a week ago, purchased with his stolen grimm card courtesy of mammon and much to his surprise it was a brand of condoms imbued with magic to adjust to the user’s size. 

 

How cute , the Prideful demon thought to him. He mustn’t be able to find ones his size. Poor thing. He knew in his heart Satan had to be smaller than him and humiliating him by proving that fact was punishment enough for pulling such a costly prank on him. 

 

So he prodded. And prodded. And prodded until he saw the little vein puff up on the edge of his hairline—the tell-tale sign he truly had his little brother vexed and had gotten under his skin. Lucifer had pulled his slacks down with full confidence, leaning casually angst the dark wall of Satan’s room like he didn’t just expose himself as he waited for the man to undress. He’d already had a retort prepared to tease him until his eyes landed on Satan’s crotch and his words died in the back of his throat. 

 

Th-this… No! It can’t be! Surely he had to have been dreaming. There’s no way that monster between the blonde’s legs belonged to him?! Surely it was a trick of the eyes or he’d cast some spell to make him look that hung. There was no way. 

 

Lucifer’s mouth dried up as his eyes roamed up and down ingraining every detail into his memory. A tuft of blonde hair sat at the base of Satan’s hefty cock, which swung slightly in between his parted legs. The cock itself was quite lengthy and its girth was slightly bigger than a soda can. The tip was a light pink color that mixed deliciously with his pale skin and it reached a few inches about his kneecap. It was so beautiful he wanted to reach out and stroke it, grasp it just to see how heavy it felt in his palm. It was downright mouthwatering and Lucifer struggled to keep his expression as neutral as possible. 

 

It was quite clear he was shocked; a whirlwind of emotions swelling up inside of him bouncing from jealousy, irritation, and to lu– No! I can’t be. Not for Satan. Not for– His eyes intently followed the little movement of it swaying as Satan fidgeted in place, completely unaware of the inner turmoil stirring inside of Lucifer. Lucifer couldn’t help but stare. It dwarfed his average sized cock by a mile and awoken a hunger within him that was embarrassing to experience. 

 

He wasn’t some inferior incubus that couldn’t control his lust. He was better than that. But still… Why did he absolutely need that monstrous cock as soon as possible? Why was he on the verge of tossing his pride aside and presenting his hole like a needy bitch in heat? He didn’t know and he didn’t like this feeling. It was demeaning and embarrassing and somewhat thrill–

 

“Are you satisfied? Can I get dressed now or are you not done being a thorn in my side?” Satan’s voice caused his eyes to snap up to his frowning face, eyes still pointedly looking everywhere but Lucifer’s body. 

 

Maybe I can use this to my advantage… An idea sprung up in the older demon’s head as he smirked. He’d made up his mind: he’d get his hands on that cock the same way he got him naked. “Satisfied? No. Clearly you’ve had some magical enhancements to your cock and balls. Compensating for something?”

 

“What?” Satan rasped out, eyes widened in fury. “Want to run that by me again?”

 

“I said, ‘I know this cock can’t be yours.’” Lucifer slowly walked up to his side, towering over him with a confident smirk. “After all, something that big can’t be natural. I wonder if you even know how to use that thing properly.”

 

Oh?! I can show you better than I can fucking tell you,” Satan snarled out as he stepped chest to chest with Lucifer. Their cocks gently bumped together and Lucifer had to physically suppress the shudder that ran through his body from the thrill of the sensation. 

 

Yes… yes… get angry like that for me. “Are you certain of that? I’m quite capable of teaching you the basics when it comes to sensual fornication. Something those little books of yours can’t teach you.” Resting his hand on Satan’s chiseled abs, he let it sink low; the fingers threading through the golden mane as they grasp the base of the cock. 

 

Holy hell . It was bigger than he imagined. He couldn’t even reach his index finger to touch the tip of his thumb and that made his cock twitch in anticipation. 

 

“Shut up,” Satan snapped, forcibly pushing Lucifer to the ground. He looked down on him with clear disdain as he held his cock length. “Kneel and open your mouth. Now .”

 

Lucifer sat on his knees and gazed up at Satan trying his best to mask his pleasure from his face. There was no hiding the excitement oozing from his cock, though. It stood erect, little droplets of precum bubbling out from the tip as he obeyed his younger sibling like an obedient child. He parted his lips wide and waited patiently for Satan to slip the cocktip into his hungry mouth. 

 

“D-don’t fucking look at me like that,” Satan grumbled while he stared down at a red faced Lucifer. He could practically see the heart eyes forming in his pupils as his cheeks got rosier and his eyes clouded with unbridled lust. 

 

Lucifer fluttered his lashes low and peeked up at him. “Like what?” He asked not so innocently. 

 

Satan inhaled sharply; his own face blooming red now from how demure Lucifer was suddenly acting. “Like tha– ah~!

 

An airy gasp left Satan’s lips as soon as Lucifer engulfed his tip. Lucifer suckled on his tip, curling his tongue around the fat head and trying to commit the salty taste of his pre to memory. His lips could barely fit around it but he didn’t care. He’d fit as much of it in his mouth as he could to stay down here as long as possible. 

 

Satan tasted otherworldly good and Lucifer was vaguely aware of the man inching his cock more and more into the back of his throat. Lucifer didn’t mind the hands tangling in his hair to keep him in place. He didn’t care how watery his eyes were getting as Satan’s girthy cock stretched out his mouth and throat. Lucifer took the 12 inch cock all the way down his esophagus, burying his nose into Satan’s golden pubes. All he could do was moan around the thing lodged in his, slobbering all over it. 

 

Wooooo God.” Satan rasped out, cock twitching uncontrollably down Lucifer’s throat. It was unbelievably tight and wet. “Who knew all it took for you to stop being such a prick was my cock?” He chuckled lightly and caressed the back of Lucifer’s head. Satan exhaled from his nose, closing his eyes to enjoy the warmth of Lucifer’s throat while Lucifer’s slender fingers cupped his huge balls. Lucifer mewled around his length while he softly massaged Satan’s balls; his skilled hands gently coaxed Satan’s cock to grow harder than before. 

 

Lucifer’s body buzzed with euphoria as he cockwarmed the blonde. It turned him on so much that he found it hard to think coherently. His cock pulsated against him, bobbing against his belly for attention, friction of any kind that he so desperately craved. It was angry with arousal and steadily leaking precum down his shaft and smearing across his toned stomach. 

 

His free hand slipped between his legs and firmly grasped his throbbing cock. A muffled throaty moan reverberated around Satan’s cock when his hands started to work himself. 

 

God, it felt so good—to fuck his fist while he gagged on a meaty cock. Eyes fluttering closed, Lucifer lost himself to the pleasure of his own hand, humping into every stroke like a feral dog. 

 

“Hey, did I say you could do that?” Lucifer’s eyes snapped open wide with alarm as he continued to stroke himself. 

 

“Uh uh,” Lucifer gargled around Satan’s cock, still stroking himself fiercely despite Satan’s warning. 

 

“Stop fucking touching yourself.”

 

Lucifer’s eyes sparkled with defiance and he didn’t cease his rapid jerking. He couldn’t stop now—not when he was so close to cumming; not when it was making him incredibly horny to see Satan put him in his place for disobeying. 

 

Satan roughly yanked Lucifer off his cock abruptly causing the man to sputter at the sudden rush of air coming into his lungs. “You little fucking brat ,” Satan sneered as he manhandled Lucifer to force him face up ass down. He positioned himself at Lucifer's hole, teasing it with his tip. “You just wanted to piss me off today so I fuck this little pussy back here. Is that it?”

 

Satan’s tip penetrated the first ring of muscles, making Lucifer yelp uncharacteristically. “D-don’t call my asshole a pussy,” Lucifer groaned out while he buried his face into the arm supporting him. 

 

“I’ll call it what the fuck I want. This is my pussy after all. Isn’t it?”

 

Satan didn’t wait for an answer and he shoved his full length deep into Lucifer’s tight asshole, kissing his prostate in the process. The floor beneath them became splattered with thick cum from Lucifer pathetically cumming all over himself. Lucifer’s mouth hung open, lax and his eyes rolled to the back of his head at the sheer feeling of being stuffed so full he could feel the cock in his belly. Satan didn’t waste a chance to lean over and wrap a hand tightly around the head of the spurting cock. 

 

Lucifer whined against his hold, trying to get him off his back as he fisted his cock. Satan’s strokes were aggressive and fast, twisting and milking him for more cum, chuckling in his ear. “You’re so fucking pathetic. Cumming so quickly like that. My cock got you fucked dumb already and I haven’t even started pounding this pretty pussy of yours.”

 

Lucifer couldn’t help but swivel his hips, desperately trying to get away from Satan’s relentless fingers but eager to be pounded into oblivion by the monstrous cock stuffed all the way into his guts. His cries fell on deaf ears as he writhed in a state of pleasure and pain blended together. His hole burned from its painful, abrupt stretch and his overly sensitive cock continued to shoot out rope after rope of cum. 

 

“I’m n-not– hng ! F-fuck! Fuck! Fuck !” Lucifer moaned as he came again, unable to stop himself from thrusting into Satan’s palm. 

 

Satan gave Lucifer’s cock one final tug before bringing his soaked hand up to Lucifer’s smushed face against the floor. “Be a good girl. Lick.”

 

Lucifer only grunted in response, too exhausted to say anything snappy as he lapped up his juices coated on Satan’s fingers. Satan looked on at him with a flushed face but otherwise amused expression. “Hmm. Remind me to get you a collar later.” Lucifer’s cock throbbed at the mere thought. 

 

Satan righted himself back up, running his hands along the pale back in front of him. He palmed Lucifer’s ass cheeks, giving the right one a good smack before gripping the swell of his ass in both hands to pull him halfway off his cock. Satan slammed his hips back into Lucifer’s quivering hole, the tip of his cock pounding against his prostate. 

 

Obscene and lewd moans poured from Lucifer’s lips of their own volition. His body felt like it was overflowing with pleasure from the brutal thrusts and he was sure Satan was on the verge of splitting him in half. His limp cock swung precariously below him, occasionally leaking out cum every time Satan smacked into his prostate. 

 

“Look at you, taking my cock so well. That’s all your bratty ass wanted? My fat cock stuffing your pussy full,” Satan growled out in between thrusts. 

 

Lucifer nodded, groaning out a weak ‘yes’ as he got his little ass demolished. “God. You’re so fucking pathetic, I love it.”

 

He clamped down hard around Satan the more he degraded him, making Satan’s hips stutter from how good that squeeze felt. “You like it when I’m mean to you.”

 

“Fuck yes,” Lucifer moaned trying to rut his hips backward. 

 

Satan snorted. “Of course you do. I’m a thorn in your side all the time. You probably get off to me bitchin’ at you.” Satan yanked Lucifer up by the back of his hair, pulling the man flush against his body. “But when we’re like this—I can call you things nobody gets to hear while I play with your baby ass cock and this pretty pussy clenching around mine.”

 

Lucifer held his breath when Satan’s lips could be felt along the shell of his ear. “You’re a fucking brat. My babygirl. My little whore to do and fuck with as I please.” Satan spoke the words softly into Lucifer’s ear, still pumping—slower, this time—as his hands played and caressed Lucifer’s erect nipples. Lucifer’s head rolled to rest on Satan’s shoulder behind him as he became completely lost in the pleasure Satan was engulfing him. 

 

Yes!

 

Satan chuckled huskily. “Yes, what baby girl?” His lips skimmed along the side of his neck, leaving little bites. 

 

“I’m your whore– ahhh…! ” Lucifer moaned. At that moment Satan bit down onto his shoulder, sheathing himself fully inside Lucifer’s ruined hole. 

 

His ass clenched around his cock, squeezing it tightly and Satan couldn’t stop the strained groan from tearing through him as he exploded inside of Lucifer. Hot white ropes of cum spilled into Lucifer’s ass, so much so it gave him a bloated belly. Satan shuddered, cock still twitching as he gave a few more pumps before releasing his vice grip on Lucifer. 

 

Slowly he slipped himself out, letting Lucifer fall ungraciously to the floor with a large stream of cum running down the inside of his thighs. Satan whistled at the sight before him and reached for his phone hanging off the edge of his night stand. 

 

A loud click followed by a flash briefly roused Lucifer from his delirious stupor. 

 

“What was that?”

 

“Nothing. Go back to sleep.” Satan shushed him as Satan promptly texted Belphie about the eventful evening he had along with a very lewd photo of Lucifer’s gaped asshole and Satan taking a selfie in front of it. 

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