A word generally replacing and tense of have (have, had, has). It can as well be used before any verb or auxiliary verb. It may also be spelled as "has."
I haz a blanket.
I haz a Halo collector's helmet, but my roomate stole it.
Haz also known as the short version of Hazza, is a is a super funny guy, who likes to play few jokes on you, but tells you the truth about it later and that he's sorry.
He's weird but in such a positive way, by making you laugh, even tho you're sad - and afterwards you just feel way better.
Haz is the greatest singer of the group and loves to do some karaoke with friends.