Butt-knocker 

-One who is an anoying pest.
-used to describe Little sibbling
-Any one you are angered with

"Miley Cyrus is a butt-knocker

Butt-knocker by BAA-A-A_____I'M_A_SHEEP!!! April 27, 2009

butt-towel 

The towel somone uses to do that butt-flos thing to dry there butt. You never want to remember that the towel you just used was/could have been a butt-towel.

Kid:(just gets out of shower)
Kid:(Begins drying off with towel)
Kid:"Wait..."
Kid:(Smells towel)
Kid:"AHH! IT MY SISTERS BUTT-TOWEL SHE USED THIS MORNING!!!)
(ominous laughter heard)

butt-towel by RoboChick May 9, 2009

butt lasagna 

it's when you eat nothing but spicy italian food for a month and then shit in alternating layers of diarrhea, different consistency and colored layers of poop.

holy shit, who baked a butt lasagna!?

butt lasagna by thenightrydah April 8, 2011

butt tits

A term to describe a woman's overall good looking combination of Butt + Tits. The woman generally has to have above par stats in both the butt and tits areas.

Damn, she's got some decent butt tits.

butt tits by JacksoniteBlog August 1, 2011

Butt Burp 

A fart.

All those bean burritos from Taco Bell gave me the butt burps!

Butt Burp by CJVM.95 March 26, 2014

Butt Baby

The aftermath of a furious session of butt sex, butt babies are the resultant mix of shit and cum that is ejected from the recipient's asshole at their next dump.

After taking dick in the ass, Mattia delivered a healthy 1lb. butt baby the next time he went to the restroom.

Butt Baby by UvaFML November 3, 2009

butt puke 

A bowel movement that is mostly or completely liqud. Generaly squirts out like a fire hose. Liquid shit that usually happens after eating bad food or a night of heavy beer cunsumption.

Man i was drunk last night and i had the serious butt puke this morning when I woke up.

butt puke by Russ Bus January 19, 2006