Top Definition
Anal sex, where at orgasm, you're suppost to yell "WOOOOOOO!" to show the receiver that it was a good time.
Damn, me and Kate had some Woo Buttsex last night, but then the neighbors called the police for noise complaint. I must of yelled "WOOO!" to loud!
by Milk My Nonos October 31, 2009
6 Words related to Woo Buttsex

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