out 

To reveal confidential, true, personal information about someone against their will and without their permission.
Someone who is outed usually experiences embarrassment, social stigma, loss of friends, income, and/or other negative consequences as a result of being outed.

"He says he's 21, but he's only 20 and has a fake ID! I outed him and now he can't get into bars on campus anymore!"

out by The blonde 1 April 24, 2006

Out 

Leaving a conversation or room. Signifying a good bye.

"I'm out like a fat kid in Dodgeball."

"Out"

Out by B-Unit April 30, 2003

Out 

In the homosexual world, a person who no longer hides in the closet and chooses to express him or herself openly in their sexuality

Davis: Are you still a closet-queer?
Greg: Nope. I came out yesterday to my family.

Out by Dylan May 26, 2004

out 

Among musicians out means something bizarre.

Dude, I can't believe I just scammed with your mom ! That's so out!

out by Bobby Sax May 22, 2006

out 

1. Not being in
2. In baseball, when a player is deemed to sucked enough as to warrant more time in the dugout scratching his balls and slapping his fellow players on the ass (This being done in the most professional and non-threatening manner).
3. Being recognized as a homosexual or acknowledging oneself as a homosexual.
4. The end of a line of communication, usually when dealing with radios and walkie talkies.

1. Get that out of my ass, Barry.

2. Barry Bonds slides and is out at second.

3. I can't believe you're gonna to out Barry!

4. "Barry's gay?"
"Roger that"
"Ten - four"
"Out"

out by The Ender April 28, 2004

Out 

Stating the intention of leaving in the immedate future.

"Later y'all, Im out."

Out by Satchmo March 4, 2004

out 

Not in.

They are out. Not in.

out by Gaetani April 14, 2003