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!
by Asshole November 08, 2003
Originated from a shortening of "Piece of Shit", meaning something/and/or someone that is really shit.
oi that Natasha girl is a POS
by Helzdawg October 07, 2010
Parent Over Shoulder

MSN lingo sued to warn the other person that you have parents watching over your shoulder and that they should not talk about things that parents won't approve of, a.k.a drugs,sex,etc.
omg, guess wat i did last night??

POS! what did you get for the science homework #4?
by Scarlet Flames May 06, 2009
Chat lingo for, parent over shoulder.
Me: Hey, sup?
You: Nm
Me: g2g pos ttyl
You: k lata buhbye
by A piece of shit October 22, 2003
Parent over shoulder

like if your trying to have a conversation on msn and your mom just walks in and starts reading it and its something you really dont want them to know about ... x
Girl 1: Hey babe. It was funny today wasn't it LMFAO :P What happened with that guy then did you do anything?

Girl 2: Hya. I'll text you. POS

Girl 2 texts Girl 1...

TEXT: Hey babee, sorry aboutt that, mum was lookiin over me readiin the conversation again x Ov course sumthin happened hes absolute livvin pukka!!! Anyway TTUL <3 x
by absoluteelivvinpukka November 02, 2009
POS stands for piece of shit and is helpful in calling your friends a piece of shit because you can just say POS prounced PAWZ
Ed, Mike, Tom, David, Allen, and Erick are all POS's (plural form)
by Erick Liang October 13, 2006
Although standing for 'Peice Of Shit', pos is an offshoot for a universal adjective to describe someone in a negative way or it can also just be used as a noun that is the equivalent to calling someone a negative name.
Adj. Look at that Pos Nub camping...im bout to pwn him.

Noun. He was supposed to pick me up but he never did. What a pos.
by Dustin Weber May 20, 2003
Yes it IS an abbreviation, but it means Piece of Shit.

Tis Quite simple to understand.
"This film is a POS"

"You are an idiotic POS"
by Aaron July 11, 2005
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