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2.
Computing: When you commit some computer programming code to a code repository. Technically incorrect and a confusion of the 2 computer SVN (SubVersioN) expressions "check out" (which makes a local copy of the code for modification) and "commit" (which places code and code changes in the repository making that and all previous versions available to other users)
Guy #1: My code is so awesome; the customer will want to have my babies.
Guy #2: Can't see that happening, but make sure you check it in anyway.
Guy #1: Code checked in. The turtle is happy.
Guy #2: Your code isn't the only thing that needs committing.
by Matthew1471 December 07, 2009
 
1.
Urban venacular used in the mid to late 70's by westside detroit gang members, It signifly a robbery attempt.
Check that Shit In.. Check in that coat,, killer. Check in the Hat,, Dogg... Check it In Flynn..
by Unknown DJ December 07, 2007