Some that used to be a piece of shit, but is so old, that it's a piece of shat, since shat is the past tense.
"this music sounds like it was wrote when Jesus lived"
"I know, what a P.O.S. song man."
"This sucks mass scrodem."
by jpc scooter July 08, 2009

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pos
Acronym for "Point of Story". Frequently used when someone telling a story starts rambling off subject.
Guy: "I failed my test today."
Girl: "Really? What happened?"
Guy: "Well, see last night I was busy playing video games. Oh and I beat Level 10! That was really hard and I had to get past that tri-morg monster. That was the first time I ever made it past one of those. Usually to get around them you have to -"
Girl: "P.O.S.?"
Guy: "Oh! Well... I didn't study enough."
by benita August 29, 2005

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pos
an abbreviation of "piece of shit". Used as a derogatory term, frequently to describe one of several types of inferior automobiles, including: Camaro, El Camino, Firebird, Trans Am, Corvette, and Beetle
Hey, check out Mr. Mullet-head Def Leppard fan over there in the P.O.S. Camaro!
by Sk8erboi Josh October 31, 2004

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POS
Acronym; Packet Over Sonet.

Method of transporting packet based services over SONET transport.
The OC-48 is a POS interface.
by HempZi11a April 12, 2004

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Post Orgasm Stupidity - After an orgasm often times one's brain does not function at a high level. Basically being stupid after getting off, or being speechless.
Last weekend, while house sitting I experienced P.O.S. by forgeting to dispose of the condom wrapper before the owners returned.
by whoopdago June 20, 2005

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pos
Began catching on in the Connecticut Valley Region

-short for possibly
Jill: Are you going to the dance?
Jenn: Pos
by Alli March 01, 2005

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pos
It means Parrent over sholder... Idiot...
POS! POS! Stfu POS! POS!
by Matt March 25, 2005

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