Determining if someone is all right or on task.

Asking everyone in a meeting to tell one by one how they are doing.
I'll check in with you after work.

We'll start the meeting with a check-in to see how everyone is doing this week.
by Cassidy Vall April 7, 2011
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A phrase used to make a correction. Used write after the incorrect sentence preceding the correction.
We're going to need five hookers for tonight. Check that, get seven.
by codenamesmash January 5, 2009
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1) Under control by someone else. Probably from a game of chess.

2) Under control, due to skills
by AC February 2, 2004
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1.to put someone in their place
2.to realize your current position in any of many situations
3.paper money you write
best check yo self, before you reck yourelf
by tweek December 19, 1999
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when you you you always control what your significant other is doing.
GUY to his friends-Hell no my hyna dont got me on check!

GIRL to her friends-I got my man on check, oh yeah.
by 831chick August 12, 2009
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Used in jails and prisons, to "check in" means to request a transfer into protective custody. Protective custody is an area within a prison or jail where security is tighter and officer presence is more pronounced. Protective custody is used mainly for rats, people with mental illness and sex offenders.
Johnny checked in the oher day after the guys in his block found out what his charges were.

We told him last week that if he didn't check in, he would be sorry that he came to our pod.
by Shaneoj August 22, 2007
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I had my boy IN CHECK! He was carryin' my purse and everything! He's definately mine!
by YoUrSwEeTlIlHoMeGiRl August 8, 2004
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