It means piece of shit, and you use it towards anything that is worthless.
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Another gay instant messenger abbreviation created by losers with no life. Means "parent over shoulder." Used to tell the other person that your mom/dad is looking so don't type anything you wouldn't want them to see.
ChEeRcHiCk289: omg lyk u no who is lyk so hott?
SeXiPriNcEsS542: pos
ChEeRcHiCk289: um....what is our math homework
SeXiPriNcEsS: ok he left
ChEeRcHiCk289: oMg! josh is soOo hott and i gave him head yesterday because im a slutty little cheerleader!
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police officer
see also:cops, pigs, fuzz, popo, 5-0, bacon, pork
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When you're so poor you can't afford the other 'O'and 'R'
Dude 1" Dude I'm poor."
Dude 2" At least your poor. I live off of ramen. I'm po'. Dude I can't even afford the O or the R!"
Dude 1 "Damn, thats poor."
Dude 2" No thats Po'."
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