To act like a complete dumbass.
"You're ass out."
to be out of luck; left without something.
if you get to the dinner table five minutes late, you will be ass out. those kids are hungry!
Out of luck; fucked up!
Either you rollin' with us or you 'bout to be ass-out!
To pass out due to drinking before midnight, generally causing this person to miss out on something cool or extremely fun happening later in the night.
Drew, if you didn't ass out you would've seen the stripper urinate all over Chad
To pass out at a party, either from alcohol, drugs, or sex.
Jeremy J assed out after he skeet skeeted in Stacey's face.
verb: To "ass out" is akin to "passing out," although it generally means going to sleep in a haphazard manner as opposed to becoming unconscious. For instance, after a long night of partying, one will generally ass out as soon as they get home, often falling asleep with their clothes still on or maybe on a couch.
"Hey Jim, is Steve passed out on your floor?"
"Nah, he's just sleeping. We were out really late, and he just assed out as soon as we got back."
When you have no cash on your person.
When a bum rolls up asking for money, you say "Sorry man, I'm ass out."