someone who is a total jack off yet still retains the ability to look cool doing it; the act of zaching off
Zach: Good lawd them sum big titties. MMMmmm daddies hungry for sum of that lovin tonite! Daaaammmnnn!!!
Wes: Dude, youre fucking sick.
Zach: Fuck you douchenozzle
Wes: You're such a Zach Off