1. Two or more females that engage in sexual intercourse with eachother
Ex: "Look at those two chicks hold'n hands and shit... I'll bet their a couple of Doughnut Bumpers."
by Nyneduce May 10, 2006
2 more definitions
"Wow, that was the best doughnut bumper porn ever."
by SLOGAN December 06, 2002
a lesbian, a female who likes the coochie.
That chic's a doughnut bumper!
by eliz21 November 08, 2006