pos 

Piece of shit.

Guy #1: I can't believe John ditched us last night. We had to do the whole project without him!

Guy#2: Yeah, what a pos.

pos by martage March 2, 2009

POS 

piece of shit

Look at that POS!

POS by Speedfreak January 1, 2004

POS 

Piece of shit.

Congratulations Pantech for creating the Matrix. A truly POS cellphone with a standby battery-life shorter than Britney's first marriage.

POS by F*ck Pantech December 4, 2009

POS 

piece of shit

Your cable modem sucks! Straight up POS.

POS by Anonymous September 28, 2001

PoS 

Piece of shit.

"His new car is such a pos"

PoS by Matthew Savva March 20, 2003

pos 

It means piece of shit, and you use it towards anything that is worthless.

Aol is a prime example

pos by lunar shadows December 29, 2004

pos 

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!

pos by Asshole November 8, 2003