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The act of playing monopoly whilst receiving the act of felatio from an elderly woman or trailer trash female. This action can also be described as a gj, short for " gum job "

Also can be defined as the hording of women who can perform gum jobs.
Kenny: " If Cody starts gumpoloy in the midst of the game, I'm going to hurl... "

Baker: " Did you see that girl Sammy brought over? That's like a third one that did a gj to him, he has a gumopoly on this town. "
by Masta C Boyd July 28, 2009
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