Usually referred to as a black person. When used you are asking who let you out of your cage at the zoo.
Hey Curtis who let you out ? How'd this one get out?
by Chimp you out February 3, 2016
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usually a term used when your friend tells you this crazy story about what he did you automatcilly have to call him a maniac or psycopath and then you have to tell them "who let you out of the asylum!?"
Haro: so i was fuckin blown right now and then i didn't know who Tobar was

Andrew: Damn! foo you a maniac, Who let you out of the Asylum!?
by El Equis June 6, 2009
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The thing a New Yorker says on the phone when they want to end the conversation, but don’t want to sound rude.
“Wow, we’ve been chatting for about 30 mins now. Let me let YOU go.”
by ItsTheLaw August 19, 2022
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You will never live this down, Mike.
Me: Holy shit I got rickrolled
Mike: Never gonna give you up
Never gonna let you down
Never gonna run around and desert you
Never gonna let you cry
Never gonna- wait shit
Me: NEVER GONNA LET YOU CRY
Mike: GOD DAMN IT
by ThatPersonYouHate February 20, 2022
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a guy you approve of someone dating
Friend 1: omg he's so cute

Friend 2: nooo not him

Friend 1: what about him??

Friend 2: now that's a dick I'll let you hop on!
by thatgirl123456 November 23, 2016
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This is the phrase used by a Cheeser, a Cheese-out or Roid McCheeseout when he is attempting to prolong the time before his cheese is properly identified.
Daren asks "Jarryd, do you want to go out tonight?"
To which Jarryd responds "Lemme shower, eat and let you know".
Jarryd will not be going out tonight. He is cheese-ing.
by Shnech January 19, 2008
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