Buttsack

A lump on someone's but that keeps growing then turns into a pimple. Sometimes it's just fun to call people that name too.

Ew babe is that a buttsack

Shut up Justin stop being such a buttsack

by Sleepyrock December 13, 2016

Buttsack

Your grandmothers ass

Youve got on a beautiful buttsack on today grandma

by SpribeCrandbary November 22, 2019

buttsack

The erection-killing shot in pornography taken from just behind and under the man's taint. The frame is filled with man ass and nutsack with only a sliver of the woman's cellulite visible.

I was just about to bust a nut and then, boom! Buttsack. Bummer.

by sleazebucket June 14, 2017

[buttsack]

A surgical procedure that attaches ones saggy or taut scrotum to their rectum or sometimes the sphincter.

Ayo tracy! Billy just got himself a brand new buttsack and it is looking nice!

by booty holes January 11, 2009

Buttsack

A word coined by Ethan (Unus, crank, The Destroyer) Nestor in a fascinating Unus Annus video of them abusing innocent wooden boards.

Using this world is perilous as there can be many different outcomes.

Example one-gud reaction :)

Guy 1: bro, do you ever look at another dudes buttsack and wonder if you're gay?

Guy 2: Only when I look at your buttsack bro.

Guy 1: *tearing up* bro?

Guy 2: *pulling out a ring* bro

Example two-bad reaction :(

Guy 542873: you have a nice buttsack.

Guy 43366: dude wtf?

by Ultimate.bi.simp June 15, 2020

Buttsack

The vaginal flaps that flop around during extreme anal.

I was fucking a bitch last night and she had a mad buttsack

by WalterTar November 25, 2024