What is Buttboobing?
A type of anal sex where the breast is inserted into the anus.
Way hotter than ordinary anal.
Guy1: D00D SHE TTLY BUTTBOOBED ME. IT WUZ HAWT!!!11!
Guy2: I JUST CAME! I AM SO BUTTBOOBING WITH MY GF TOMORROW!
See butt, boob, sex, anal, breast