Definitions by Kirruth

mezz 

In online games, to stun, stupify or bewilder (a monster or player character), so that it doesn't or can't attack.

Also: Mezzer, a character with this capability

(From Everquest: Mesmerise spell effect)

"Don't attack yet, let me mezz the boss"

"Oh FFS we need a mezzer"

mezz by Kirruth May 7, 2004