Part 1: Lubricate your hand and cock.
Part 2: Put your hand on top of a sink that is at cock level
Part 3: Thrust your cock into your hand (reverse jerk)
Part 4: Splooge directly into the sink
Dude 2: What's that?
Dude 1: It's where you reverse jerk into the sink
Dude 2: Damn that sounds sick I'll brb