asstmer 

Term used to describe an ass who gloats about being the "master" of some skill or game.

Ralph: Dude, I just owned you in that game of Pokemon! You will never beat me. I am the master!

Mark: I have to hand it to you, Ralph, you are a true asstmer indeed! Now get the hell out of my house before I pound your butt . . . but leave your Chickorita card. She rocks!

asstmer by thekidcomesback July 16, 2011

Assterburners 

When your asshole burns after taking a shit

Taco Bell gave Tom a serious case of the assterburners

Assterburners by ThatGuyWhoMadeThat April 29, 2015

Assterisk 

The doggy style view of a girl's butt hole. Looks similar to an asterisk (*) or a starfish.

Scooter contemplated shooting a load in the clearly visible, puckering assterisk.

Assterisk by thaicougs February 13, 2010

Assters

When someone on Brawlhalla spams with blasters to piss you off.

"This Lord Vraxx main uses some real assters."

Assters by Onandonandomnom April 14, 2021

assterbater 

A one legged man whore who masturbates other men in their asshole's! And/or any man who uses another mans ass to masturbate.

Me: Hey John stop being an assterbater you gay fuck!:)

Kevin: No fuck that, I like it when he uses me to assterbate.

Me: YALL BETTER CALM DOWN WITH THAT SHIT!

assterbater by Jer and Ca$H February 28, 2008

Assterroids 

The assterroids are a particularly virulent form of diabetic diarrhea event, in which poo is commonly splattered over the inside of the toilet stall.

Tom and Lance had assterroids last Wednesday, and we have the proof.

Assterroids by Jacques Asse April 2, 2009

assterpiece 

The amalgamation of "masterpiece" and "ass" - essentially a masterful ass. This is applicable to any female that has a lot to bare with her derrière.

Jessica Biel has an ass that won't stop! What an assterpiece!

Even in her older state, J Lo still has a mighty fine assterpiece protecting her backside.

assterpiece by JDMGio February 18, 2011