to "hit" on a fine female that you see in a public place
OH, look at the fine young breezy over there... I am gonna go check up on it
by David wolery January 15, 2006
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to look up information on someone you don't know through Facebook or Twitter. Sometimes referred to as "Facebook Stalking"
Sue: "What does his new girlfriend look like?"
Rita: "I don't know, let me check up on her."
by missb41183 February 25, 2012
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To make oneself aware of his or her surroundings and or environment
Bitch, ran through a red light and never checked up!
by Marcus Antonio BarW March 09, 2017
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the act of deep throating a girl to see how far your cock goes down her asophogus
damn man this girl was real great man i gave her a check up and she's 100 % okay to go.
by Berry and Danny June 18, 2006
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To excecute or perform an act of incredible destructive force, or disrespect to ones persona.
“Damn! I spilt my drink on the floor.”

“You better clean that shit before I Check Up! you!”
by Juju Been February 01, 2010
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(Verb) The combination of looking something up and checking something out, lax style.
Ty: "Oh dude lemme check it up!"
by Caselindsss June 18, 2011
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when you you look at a nigga (or a bitch) and then check them up and down like 1 at tha head 2 at tha feet and back up. This lets that person know either you diggin em or you wanna fight... depends on what your face is lookin like. U got that thizz face on then they know whassup!
That nigga just gave you tha 1-2 check up, you betta go holla if you tryina get on
by $$$DQ$$$ May 08, 2006
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