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Usually used to describe a group of people or just one person who is always at a certain place, just standing around looking for something to do.
"Mad kids are always posted up at this Wawa."
by leeski July 10, 2008
Happy St. Patties Day!
1.Someone or something that is too prevalent.

2.Being stoked on an enviroment, and willing to stay there for an extended period of time.
by Stewart J. Ferguson March 15, 2011
Happy St. Patties Day!
I'm so posted up for shark week.

Oh my God, this song gets me so posted up!

I love this place. I'm so posted up right now.
by postedupforhiphop August 10, 2009
Happy St. Patties Day!