Fart Boxing

When two people are performing oral on each other's asshole. Just like 69 but with the ass instead. The act of two people tongue-punching the other's fart-box.
Bro, me and Jane had a Fart Boxing match last night. It lasted 3 rounds before she got KO'd.
by ragekageTheD February 23, 2015
mugGet the Fart Boxingmug.