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1.
Dating but not official. (not boyfriend/girlfriend)
girl 2: how long have you been checking him out?
girl 2: 1 month.
girl 1: are you going to date him?
girl 2: maybe.
by Miryam January 03, 2009
 
2.
"Checking" simply refers to indicating one's interest in acquiring something or seeing what it is all about. On hip-hop forums, "checking" is usually expressed in "im/im not checking for it" in terms of being interested in downloading and listening for the latest album from a particular artist. If you dislike a particular artist, you can let everyone know how disinterested you are by saying "im not checking for it" to indicate that even though you can download the album for free, its not even worth your time
P. Diddy might have a new album coming out but hes wack imo, im not checking for it
by maroontiger March 06, 2011
 
3.
checking means going out, dating
"Are you checking her?"
by rikz May 25, 2006
 
4.
talking about someone in a bad way
aye craig was checking dude about his shoes that shit was funny as hell
by bgizzle93 October 12, 2010
 
5.
Observing and investigating, to lesser or greater extent.
I'm just checking how to check out definitions without checking out of urbandic.
by Hercolena Oliver July 10, 2008