buttstain-brown 

The color left in underwear, bed-linen or elsewhere, usually in a streak.

Do you want your peanut butter spread thick, or just buttstain-brown?

I like the color of that table, not as dark as walnut, not as light as maple, more of a buttstain-brown.

buttstain-brown by buggy October 20, 2005

buttsmarn 

A bloody legend. Aussie YouTuber who is the upcoming prime minister.

You voting for the buttsmarn? Hell Yeah obviously bro

buttsmarn by Mike butt April 20, 2019

Butt Stain 

Under wear marks from wet farts, unsuccessful wiping, not caring what yer momma sees...

He's a butt stain.......

Butt Stain by Dan Da butt Stain December 20, 2008

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

buttstache 

When the hair in your ass crack is so long, it looks like a mustache.

Hey, Nice Buttstache!!!

buttstache by Scat-lover April 25, 2004

Buttskink 

A common tird in which the poo is skinny however in tact, being excreted in one piece. It reaches the highest threshold at which the tensile strength of the poo does not break. The term originated from areas where the common house skink resides.

"I did a shit today, it was a total buttskink. It must have been at least 30cm long"

Buttskink by Ssike November 1, 2013

Buttshank 

(noun, adverb) The act of or actual splash of cold toilet water splashing onto one's bare ass caused by the poop plummeting into the water basin and displacing the water below.

WOW. My ass is really wet from that buttshank.
(insult) You buttshank, go dry your ass.

Buttshank by C-troubalicious February 12, 2006