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3.
Horrible tasting gum.
This gum tastes like ass.

Does anyone have any ass gum?
by Coov June 09, 2009
 
1.
Sticky ooze within the butt crack
His ass gum stained his underpants
by Rocko R March 13, 2009
 
2.
Ass-Gum: Ass-gum is gum that has been placed within the back pocket of a individual, and sat on. Thus, the gum has became dis-formed, and in some rare instances, smells unpleasant because the subject who processes the gum has farted.
Mike - "Hey Bill, can I have some of that gum please?"

Bill - "Sure Mike, any time."

Tom - "Don't eat that Mike! That's Ass-gum!"

Mike - "Nasty dude, ew, I ain't eating that anymore."
by Paso Robles Slang March 15, 2010