1. To be completely feed up with
something and not
give a shit anymore.
2. Used to let someone know they are either drunk and shouldn't drink anymore, (2a)or they've dont something wrong and are gonna get the
shit kicked out of them.
1. I
hate art school, I'm donezo.
2. Dude, Josh is
fighting a dog, he needs to go home he's donezo.
2a. Did you just take my beer?!?!
That's it, you're face is DONEZO!!!