An external Labia (Pussy Lips), when pulled out when legs are spread it looks like a butterfly made out of roast beef!
by 1974Jimmy. November 21, 2006
Get the roast beef butterfly mug.extra skin around labia that sticks out like wings from the actual pussy hole...resembles shaved roast beef like you would find on a sandwich from Arby's
by braindead cant bowl October 21, 2008
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