FDBJ
A sexual act in which a man covers his erect penis in fun dip powder and has a someone (presumably a woman) lick it clean.
Dylan: "Hey Tim, you getting that FDBJ later?"
Tim: "You know it, I just picked up a 3 pack of some of that color changing shit."
Tim: "You know it, I just picked up a 3 pack of some of that color changing shit."