Top Definition
A slang term describing a homosexual woman,
insinuating that she humps other female's crotches.
That unusually large lady over there is a donut bumper.
by DeeBoz November 09, 2005
A lesbian. See "carpet muncher," "tuna taco gourmet," or "dyke."
No wonder that chick wouldn't give me any play. I found out that she's a donut bumper.
by Sprocket the Dog October 04, 2003

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