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1 definition by BusterxCherry

Slowly inserting your penis into a woman's anal cavity all the way until your penis disappears. With a quick, swift motion, you pull your penis out AS FAST AS POSSIBLE and the woman's butthole comes out a bit, resembling a butterfly
As i got my anal fuck on, my girls dad walked in resulting in my girl's butthole getting butterflied
by BusterxCherry August 23, 2010