Urban Dictionary: ass monster

when your pants are eaten by your ass and you can see your crack

"man that guys got a major ass monster."

by frosty8 July 10, 2008

by jay May 17, 2003

A living creature that is born out of your asshole. It runs around and rips people's heads.

"My daughter got eaten by an ass monster!"

by Markey May 22, 2003

One who has a nice, big, sexy ass but has an ugly ass face.

Damn lookit that ass!! hope that ass monster doesn't turn around..

by peter January 23, 2004

When you have a huge ass and your ass is eating your pants exposing your crack.

when big ol' aunt sally came over last Christmas she had a Monster Ass Monster

by frosty8 July 10, 2008

A person who acts like a monster made of Lava, With an Ass for a Face......Its pretty self explanitory.

Person 1:Hey did you see that guy slap a baby sea lion in the face?
Pesron 2:Yea dude. What an Ass Face Lava Monster.

by 15 mexicans July 26, 2011