buttstorm 

The opposite of a brainstorm; an incredibly stupid thought or idea--stupid enough, possibly, to have literally come from the thinker's butt.

Guy: Egads! I've just had a brainstorm! We'll use that chair to reach the roof, then elope to Vegas!
Girl: ...That's more of a buttstorm than a brainstorm.

buttstorm by Sovios Falchion Romantic December 28, 2008

buttsturbate

When your butt itches so badly that you have to rub it really hard and it gives you sexual gratification

I buttsturbated yesterday

buttsturbate by MISTER OWNINATOR January 12, 2010

International Buttstretcher Day 

A holiday celebrated every August 4, enacted by cs188 in 2016. Not much is known about it, but as the day's name suggests it likely involves stretching butts.

"WOO-HOO! It's International Buttstretcher Day, ha-ha-ha-ha! Awww yeah......awww yeah......"

International Buttstretcher Day by Arrceeay June 28, 2019

doing the buttstroke 

Slang for when someone propels themselves through a still body of water, usually a swimming pool, entirely by passing gas.

This amazing and talented young woman apparently has the most powerful farts on the planet; I watched her doing the buttstroke the entire length of the high school gym pool!

doing the buttstroke by Dr Bunnygirl June 26, 2021

buttstonked 

Being so twistedly fucked up (extremely inebriated in some form) that you literally can not and do not want to do anything.

X: Dude, that party was intensity in ten cities!

Y: Totally so dude, let's roast these righteous herbs and get thoroughly buttstonked to celebrate!

buttstonked by KyleFromTheAmandaShow March 24, 2014

buttstroke

the act of striking someone with the buttstock of a rifle, carbine, or shotgun. This is in contrast to "pistol-whip," which is the act of striking someone with a handgun, while gripping either the handgrip or the barrel/slide, but more commonly the latter.

"The brave Marine, having expended his last magazine, but lacking a bayonet, saw fit to buttstroke the charging enemy combatant."

buttstroke by Jambo11 June 27, 2009

buttsnorkeler 

A person, that is a true professional of kissing ass. They are sucking ass for so long they need a snorkel to survive.

Man Bob is always kissing the bosses as he's such a buttsnorkeler.

buttsnorkeler by Bubbacheese November 3, 2005