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An asshole that gets drunk off his ass every night and takes it out on his wife and sometimes his kids. He is hard headed as all hell and no one has time to deal with his crap. He is a chain smoker, and will never quit smoking. He also thinks everything has to be done ''right now!'' or his asshole side comes out to the worlds to show the true dick within.

Dear lord his poor wife as to deal with his shit..
''poshko'' is a guy that needs to calm his flat ass
poshko by cuteshysweetheart August 28, 2016
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Posko (or POSKO) is an acronym:

P: Piece
O: of
S: Shit
K: Knock
O: Off

The word was derived from a guitar in terrible shape. Scratched, terrible strings, and sounded like a dying rabbit was calling out of the amp. However, a custom made humbucker, blue steel strings, and a 5 way tone switcher fixed that. Now the word is used to describe any knock-off of popular merchandise.
That playsystem 3 is such a fucking Posko.
Posko by tic-tak June 9, 2009
Related Words

Poshol Nahooy

Hey Boris, Poshol Nahooy!
Poshol Nahooy by Schlangemann April 5, 2011
Informal slang for "an upper class person". Now commonly used in place of the term "posh cunt" in situations where use of this term would be considered impolite or inadvisable.
"Have you seen Fred's flat lately? That new bird he's got is a right posho"
posho by Randomfagg0t June 28, 2019
To Urinate At A Bystander While Being Intoxicated
David Busted A POSHK At The Party Last Night.
POSHK by Yessirrrrreeeree January 6, 2022
A type of hairstyle where the hair is middle parted and slicked back. It can look extremely stupid if you ain't got class.
Come on dude, you can't pull that poshboy off.
Poshboy by Hellyaimaspaz April 27, 2017
Formerly known as Freebase based producer/visual artist and streetwear designer from Miami, FL. He is th of Metro Zu. Creator of streetwear brand 2055.
You got beats from Poshgod?
Poshgod by loopdigga... June 27, 2019