butt quack

(n.) a fart that sounds like a duck quacking
Last week I was on Zoom when Gary let out the loudest butt quack.
by n30e April 29, 2021
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butt corners

The outside point of the underbutt fold. This indicates a soft butt with good shape- similar to upside heart shaped booty except not as tight.
the way she leans to the side in jeans really show off her butt corners.
by HighNoteJazz May 23, 2019
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butt curl

The rapid and completely involuntary inward contraction made by one's anal sphincter muscle in response to something abhorrent, unnatural, or just plain repulsive.
Mom left her used tampon in the toilet and forgot to flush, dude! Totally made my butt curl when lifted the lid.
by hotpocketspdx September 16, 2016
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Bonus Butt

When the fatty tissue of an individual's lower back is pressed together by the waste belt of their trousers, giving the appearance of an abnormally long anal cleft, or "Bonus Butt".

The phenomenon is frequently observed when an overweight individual leans forward while wearing a short T'shirt. Bonus Butt sightings are often reported at Ikea and other discount furniture stores, where the obese can be seen plopping and rolling around on various furniture items.
"Gross. I just got an eye full of Tammy's Bonus Butt."

"Don't bother. Nothing in there but boomachs and Bonus Butts"

"That is a tasty Bonus Butt. Yum yum yum."
by Dalton_Road_House October 09, 2012
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butt phlegm

When you're going to have diarrhea and you're trying to poop but nothing comes out and you wipe anyways and it 's just that slime on the toilet paper.
I've had diarrhea all day and now when I try to poop all I have is butt phlegm
by ButtFuckingBillionaires March 08, 2016
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Butt Cheddar

A crap, roughly yellowish in color thanks to eating too much cereal that is high in whole grains, e.g., Life, Oatmeal Squares or Cracklin' Oat Bran.

A thick, runny shit in the color of low grade cheddar, usually from eating too much breaded chicken with sauces.
"I just left some high quality butt cheddar in the toilet, you've been warned"
by Madman With A Cause July 27, 2016
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butt scumper

Girl who takes pictures of guys butt and scumps then on instagram
You are such a butt scumper
by Yes you hoe April 27, 2017
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