another thing POS stands for is Point Of Sale. This usually refers to the type of scanners and debit readers companies use.
I had a lot of POS transactions on my bank statement.
by Kristina5979 May 22, 2008
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Don't know the definition, thats why I'm asking you.
Your a classy POS
by just-Rog July 12, 2008
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Piece of slushee

-Fetus Tyler Joseph skit

*this is a joke*
'Hey, can I have a pos?'

'What?!?'
'You know, piece of shlushee'

'You can't go around saying that one'
by •.•.•. June 29, 2017
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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.
-#-Jane-#-
omg, guess wat i did last night??

*Jill*
POS! what did you get for the science homework #4?
by Scarlet Flames May 6, 2009
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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 2, 2009
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A POS system is used as a computer management system for a resataurant or retail shop.
by POS GUY February 5, 2017
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Abbreviation for "Parent Over Shoulder."

Most commonly found in chat rooms filled with young children whose parents know that Chris Hansen won't be there to save them when an older gentleman arrives at their home with a to-go bag from Wendy's.
xxTypicalEmoScreenNamexx:
So, want to masturbate via webcam like we did yesterday? We can discuss those late night fantasies about John Stamos you've been having.

Assassin-TheUnoriginalScreenName-Ninja:
Dude!! POS!!!
by The carnivorous vegetarian September 20, 2010
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