Placing one's puckered butthole against someone else's face. First, spread your butt cheeks so as to fully expose the butthole. Next, slowly place the butthole up against someone's face. Finally, let go of the butt cheeks, so that they slap the person's face and flutter like a butterfly's wings.
by Dumpy Del Negro September 1, 2013

The gayest thing you can do.
by Fagggot69696969 November 29, 2010

by Xandir April 13, 2006

by MissVampkin October 14, 2008

A fart that travels superiorly, causing audible labial vibration. Most likely to occur when a female farts while reclined in tight pants. Not to be misconstrued as a queef traveling superiorly causing labial vibrations; women don't fart during sex.
While watching the game he asked "what was that sound and why are you giggling?". She replied "a butterfly kiss".
by T-Money, aka Aunt T Bag April 21, 2011

using both hands to stretch the scrotum outwards and upwards so forming a butterfly wings shape - then licking the taut skin with ones tongue tip
colin is so lucky, not only does his wife give him a butterfly kiss whilst he's watching tv, but he can reach down and give himself one!!!
by theWestHamfan November 14, 2003

by mm_butterfly December 4, 2007
