This is when you are having intercourse in the kitchen and one of you sits on the counter during the act resulting in crumbs sticking to your butt
Me and the hubs went at it in the kitchen and I left with so much butt crack birdseed
when you put a pound of crack into the hole of your enlongated booty butt hole.
Person 1: whats up sigma chode
Person 2: no
Person 1: Booty Butt Crack
Person 2: Booty Butt Crack