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To sit somewhere or lay down watching t.v with a laptop (optional) and doing nothing for extended periods of time, without a care in the world.
"Yo man. I just got outta class. I'm bout to post up for the rest of the night."
post up by The Johnster1324233 February 15, 2009
to take your place on the street to do some hustling
Yo, is that Black post up down the block?
post up by honky April 29, 2003
to raise up, box up, get ready to fight
U wanna throw down? post up then nigga..
post up by Rick D May 14, 2004
To stand in a highly trafficed, by people, area and conversate with fellows.
Post Up by Austin Burger January 3, 2008
(noun) When building roof trusses, when doing a hip system it is a truss that has extra support at the top which includes a horizontal beam and 2 or more supports.
Hey.. Dont forget to put in the post up with that next truss!
post up by Nbail April 15, 2006
to make your presence known. Could be done while getting a photo taken, waiting for a bus, or simply hanging out. Usually done by standing straight up and grilling.
What do you say we get some chairs, sit in the middle of the mall, and just post up?
post up by JT Dollar Sign December 20, 2003