2 definitions by frosty8

Top Definition
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
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

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