Keishter 

Defined as an old man's buttocks. Otherwise known as, butt, booty, tush, rear end, trunk, backside, behind, tuchas, royal behind, bottom, bum, posterior, rear, rump, hindquarters, heinie, stern, gluteus maximus, buns, cake, patootie, caboose, badonkadonk, breaches, britches, haunches, bootycheeks, fanny

"Christopher Columbus! Get out on your old keishter!!!"

Keishter by Emendkay August 20, 2021

Khaleesi Keister

A perfect arse

An arse that defies gravity

Not too big, not too small, not flat, perfectly round

She has a khaleesi Keister

Khaleesi Keister by Big Poppa Mills December 8, 2020

soupy keister 

An anus filled with mushed feces.
Am asshole that was never wiped and is filled with excrement with the consistency of thick soup.

Diarrhea Butt.

I Can’t just use tissue or a wet wipe, I need to shower to clean this soupy keister.

soupy keister by Fatman Slim March 2, 2022

Keistering 

To hide or smuggle items in ones anus

Goodman figured keistering the dildo would be just the trick to avoid detection by store security

Keistering by KC Is A Knob Gobbler April 21, 2009

keister stash

A popular hiding place for contraband such as drugs, especially in prison. The anus. Usually the contraband is wrapped in a condom.

Johnny kept is smack in a keister stash.

keister stash by veritone January 16, 2009

keister bunny 

Noun, The guy in prison that keeps stuff (sometimes cell-made weapons) up his ass for safe storage.

"I don't remember which keister bunny has my 2 dollars, but I'll probably never get it back now"
_________________________
prison guy1: "I made a knife out of the end of my toothbrush"

prison guy2: "Where is it?"

prison guy1: "I gave it to the keister bunny in cell 5"

keister bunny by Jeff S. June 4, 2005

keistered 

To smuggle or conceal in ones anus. To hide a foreign substance in ones rectum.

Steve totally keistered that hard boiled egg without cracking it.

keistered by Joeseph Campbell April 21, 2006