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An acronym for "Piece of shit". This is pronounced "Poss". This can be used to insult someone who is not showing you any respect or it can be used to describe something that does not work properly.
a) That idiot kept bothering me so I called him a POS!

b) This computer keeps giving me problems! It's a POS!
POS by funny fellas January 13, 2014
Related Words
poser POS poseur Possums posh post post malone post up postwhore post hardcore
"he is such a POS"
POS by Thrillho1888 January 12, 2017
ex. Shut up you POS
POS by TheGayMaster March 15, 2017
Piss poor excuse of a man, mommy does everything but breath and wipe his ass for him. Spends his check on weed and alcohol but can afford fine dining. Makes himself feel better by talking to multiple women at a time because he is an insecure child.
David- "thinking bout coping a bottle of duesse for the weekend"
Saturday- tells his girl he is staying in but is drinking that bottle with a female who is "just a friend"
* Thursday after stays in the house because he can't afford even a 4 for 4 at Wendy's

Wow that guy David is such a POS
POS by 001122 July 17, 2017
Positively Outstanding Service! Keep going! You're gonna go far in life!

Or was it Peice Of shit?.... I don't know... meh.
"One of the reviews on my new games said POS. Is that a good thing?"
Pos by DrinkYourSeatbelts May 31, 2018
Parent Over Shoulder. Used when you're talking to somebody online about a personal topic, and a parent decides to check up on what you're doing. When the person on the other side of the screen sees this message, they should stop what they're talking about and start a pretend/different topic.
POS by ttheblueberrymuffinman July 13, 2018