1 definition by POWERtehPIMP

Top Definition
A sex thing in which you put your balls in her butt, then put a quarter in her slot, then she pops out the balls.
My chick pushed to hard when i was gumballing her and she took a dump.

I jizzed when i gumballed my girl.

Gumball Machine is my favorite sex thing to do.
by POWERtehPIMP April 28, 2008

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