One day at the Simpson house, Bart was alone since the rest of the family went out so he was left home bored. 

“Man, I’m bored!”

Bart searched around the house for things to do, and when he searched the medicine cabinet he found laxatives. 

“Hmmm, maybe if I invite millhouse over I can pull a little prank on him! I’ll order pizza too to make me gassy! Extra cheese.”

Bart downed 5 of the laxatives. He ordered a large pie and ate all of it, his stomach even grew an inch or two. 

“Ughh I’m stuffed, time to invite millhouse over for his treat!” Bart giggled and called millhouse up. Before millhouse came Bart decided to put on one of his diapers he’d been hiding in his room. 

A few minutes later millhouse showed up. 

“Hey bart, why do you look bigger than usual?”

“Are you calling me fat?”

“What? No I swear!”

“Mhmm, I’ll show you fat!”

Bart pushed over millhouse to his living room floor and stood over him. 

“What’re you gonna do?” Millhouse Said

“You think I’m fat huh? Then I’ll just make you fat too!”

Bart turned around and sat his diapered butt on millhouses face. 

“How’s the smell down there? I never shower or wipe so it must be really musky.”

Then he farted right on millhouses face

“Mhmmm mhmmm!” Millhouse muffled

“What’s that? I can’t hear you over the sound of my gas.” Then let a loud fart rip 

Bart lifted his butt an inch so he could talk. 

“What are you gonna do?! Please get off!”

“Hehe, no can do! It’s gonna be a loooong sleepover!”

Then Bart squinted and pushed out loads of shit into his diaper, covering millhouses face. 

“Ah man! Looks like I’m full.”

Bart rubbed his filled diaper up and down his face and the shit leaked everywhere. 

“Time for clean up!”

Then Bart took off his diaper and tossed it to the side, then lowered his butt onto millhouses face. 

“Clean up my butt or suffocate, your choice!”

Millhouse had no other choice but to lick Bart’s ass clean from shit. 

“Let me go! Please!”

“Nope! I still have to make you big!” 

Then when millhouse tried to talk, he sat his hole right on his mouth and it kept his mouth open. 

“Dinner time!” 

Bart pushed out logs of shit into his mouth. 

“Eat it all or choke on my shit!”

Millhouse chewed and swallowed every last piece of shit coming out of Bart’s butt. Then Bart pushed out loads of diarrhea which filled millhouses mouth and even over flowed, but he still swallowed all of it. 

Hours have passed of millhouse eating all of Bart’s fresh shit and it finally stopped

“All sold out of shit for today!”

He got up and put his pants back on along with millhouse. 

“Oh look! Now look who the fat one is now!”

Millhouses stomach grew 5 inches 

“I’m stuffed!”

Then Bart pushed millhouse onto the couch and burped right in his face.

“Eww gross! That smelt disgusting!”

“Hehe I’m still a bit gassy, I’ll give you something a bit smellier than that.”

Then Bart sat on millhouses lap and lifted up his leg ripping a 10 second silent fart. 

“Gross! That smelt like rotten eggs and expired milk!”

This night was far from over for millhouse.