prebis
The before Best in Slot gear set or items for a player's equipment; essentially having the next best thing.
"I'm going to run dungeons to get my prebis this week before the raids unlock."
preby
The opposite of a prep.
Preby people rule...and preps suck ass
Prebis
The act of shoving your fist up someone's ass until your arm is all the way in
Hey babe do you wanna do some prebis tonight?