Shortened version of the former "Out of control!" which has become somewhat obsolete in recent years; crazy, generally used with a positive connotation.
"We can NOT get enough of your amazing friend Heather; that bitch is OOC!"
ooc = double o c = out of control
perfect party time at any house gathering.
you must be completely ooc to welcome yourself to the Power Hour Pt. 2 CD!
Shakin' it on the sofa, or the sofa, or on top of me! You must be out of control.
This day is ooc. Emotional roller-coaster? I think so.
What the flying fuck is going on here?
Who the fuck are you guys?
How the ef is this happening?
Is this real life?
Goodness