When a girl is kissing your neck and your butt gets tingly and feels like butterflies are flying out of it.
by Jonny puddles February 25, 2018
(n) buht-er-flahy-buht - An extremely well-defined male posterior which resembles a butterfly's wings
Person 1: I do say, that gentleman has a lovely buttocks.
Person 2: I concur, in fact I do say it is worthy of being called a butterfly butt.
Person 1: Mhmm yes.
Person 2: I concur, in fact I do say it is worthy of being called a butterfly butt.
Person 1: Mhmm yes.
by Douglbutt November 16, 2009