very friendly girl, maybe flirtatious, usually cute.
Could be also some one being flirtatious using this to call a girl kind of like baby or sweetie.
"Hey Hunz", "Thats my hunz over there!"
"Hunz, doing her thing over there by that guy!"
battle cry of players on Call of Duty Modern Warfare; usually of the clan HUNZ
<pre-game lobby>
player: wtf is HUNZ?
guy from HUNZ: its a war cry...
player: your gay
guy from HUNZ:HUNNNNNZZZZZZZZZZZZZ
player: yea i'm leaving now
guy from HUNZ: I think you scared, yea i think your scared, I think your pussy, I think your a mexican on American Turf