When an acquaintance sits on a piece of chewed gum that you placed on his or her seat. This results in the ruining of whatever pants they were wearing and also results in people laughing hysterically.
Joe got the gum ass when he sat on his seat.
by Trident of Treason December 5, 2017
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A partially wiped asshole that still remains unclean and retains enough moisture so as to stick together like a gummy substance.
"I've wiped three times today, but have still been walking around with this gum ass all afternoon."
by JD1 April 2, 2008
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When someone talks so much everything that they talk is shit and they fuck their mother
Hey bob” “yea” “shut your flappy gum ass mother fucker up”
by Ferelliekos September 23, 2020
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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
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