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A j4ker (pronounced "jacker") is someone that uses "jk" or any other abbriviation in txting, comments, email, youtube, pretty much fucking anywhere.

abriviation for j4ker: jkr (only for you j4kers out there!)
J4ker: lolroflmfao jkjkjkjkjkjkj lolololololololo omg wtf bbq! :-D ^_____^

regular guy: Yo man, what the hell are you saying? You stupid j4ker!

j4ker: i b no jkr! *___* mf! :-D
by blu3hat October 06, 2010
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Aug 9 Word of the Day
A term coined by Terrson to represent a form of Jenga where one removes an article of clothing whenever the tower falls.
It was a fearsome sight indeed after the tower fell for the last time, after that, strip jenga was forever banned in the lounge.

<Terrson> My name shall not go down in history as the guy who codified Strip Jenga.
Guess again, Terrson.
by OmniBot August 05, 2008
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