when you insert your penis into a hotdog bun, slather it in condiments and jerk off with it. After ejaculating you then eat the bun along with the semen.
I'm a little lonely tonight, thinking a bun fuck.
by JackOff Manie December 04, 2010
Top Definition
The act of inserting your penis or just the tip into a tightly rolled bun of hair. With or without lube.
Did you see that chick at the store? Boy i would like to bunfuck her.
by Rodyounganderdraytka February 17, 2009
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