In WWI, a nickname for artillery shells. The name was mostly used by the Canadian soldiers.
The trenches may have been eight feet deep, but the men in them never felt safe from the Whizbangs, Minnies, Jack Johnsons, Rum Jars, and Coal Boxes, whose ingenious nicknames masked their deadly purpose.
-Vimy by Pierre Berton
by K to the C October 24, 2006
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An alcoholic mixed drink containing one part gin, one part tonic, with a slice of lime and a splash of cranberry juice. Also known as a JJ.
Lets put on board shorts and go chill out on the vineyard with some jack johnsons.
by deuce niggalo August 20, 2009
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Some one's head is their Jack Johnson.
Don't make me give you a rap on the old jack johnson.
by Zaggerty January 03, 2005
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Masturbation. Since Jack Johnson the singer/songwriter produces calming and stress relieving music and due to his nomenclature.
She really wanted to just watch Netflix; I'm going to go home and listen to Jack Johnson.
by TheDailyOne November 25, 2015
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Mos Def's rap-rock band. You can hear Black Jack Johnson on the song Ghetto Rock which is on Mos's album The New Danger.
Person 1: Yo, did you hear Mos Def started a band?
P 2: Yeah, Black Jack Johnson, I heard he did it because he says that Rock bands have no soul like Limp Bizkit.
by Block Rock December 27, 2006
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Clique talk heard far too often. Much as when you are told some piece of information as new and enlightening, even though you already know it. often from a drunk-ass.
Person A: You know George Bush El President of Babylon didn’t really win the election & only spreads hate and war

Person B: Piss-off Jack Johnson
Person A: what do you mean
Person B: when I walked in i didn't realise 'Jack lives here'
by house of jack March 13, 2005
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