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A Woosher is a sub-machine gun and most of the times it would be a Mac 10 or Mac 11. Commonly used as slang in urban London environments.
Roadman 1: "That youte's getting bare rude ya know"
Roadman 2: "Yeah lemme back out the woosher on him"
by mandxwn March 01, 2019
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the key word to use when about to score to bring good luck. :P
Say you are playing a video game where you are trying to score points. Before scoring one might say "woosher" loudly or under their breath and then will proceed to score. try it :P
by GreenViper1200 January 15, 2018
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