assburster 

Based on Alien franchise.
A log of shit so large and painful, you can swear it feels like a chestburster. Except it bursts out of your ass, hence the name.
Usually happens when you're constipated.

A: Vacate the toilet already man, it's been half an hour already!
B: I've got a chestburster coming out of my ass!
A: LOL, an assburster. Good luck, bro.

assburster by Nappko February 21, 2017

Assburgers 

A common mispelling of aspergers,but if it were real id say its when you shit chunks so big they look like burgers.

I have aspergers.

I had assburgers last night after taco bell

Assburgers by Cheeseynoodles April 24, 2017

assblaster 

a diarreah expulsion of such great force that it literally blasts out the ass also known as a rectum ripper

last night I was drinking Teuqila and beer and this morning I had an assblaster

assblaster by scott davis August 10, 2004

Assbutter 

Assbutter is an english translation of the word rövsmör and is made by depositing your "man milk" into someone's ass and churning it with your rod. It's mostly used to be as disgusting as possible.
It originated from Northern Sweden.

I made some nasty Assbutter last night with Tim

Assbutter by Pyromanen December 31, 2012

assluster 

Someone acting lackluster however in an assy sort of way.


biotch dumbass

You stupid-ass assluster

assluster by Beerinder May 16, 2004

Assblaster 

An assblaster is someone who pumps his load in another persons anus.

Anal creampie anyone?

Man you wanna see that bitch after I was the assblaster last night, she be walkin like John Wayne!

Assblaster by Demoulous October 24, 2003

assburgers 

A play on the word "aspergers", a minor version of Autism characterized by social isolation and other odd behavior. Also very funny to yell.

"ASSSSSSSBUUURRRRGERRRRRZZZZZZ!!!1"

~Murray Smith, Flecko.net, sufferer of "assburgers"

assburgers by Rainbringer June 11, 2006