Definitions by Anal Connessiure

asstynine 

The process of licking someone's asshole while he or she proceeds to lick yours simoultaneously. A more advanced version of the traditional sixtynine position.

Chris: "Hey man, did you lick that bitches ass last night?"

Ian: "Ya man, I asstynine'd that ho."

asstynine by Anal Connessiure September 26, 2009