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15.
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
33 76
 
16.
A whiny Bitch with a guitar that every one loves for being trendy.
Jack Johnson is a Douche
by Jak6508 January 28, 2010
45 97
 
17.
A modern beach hippie musician influenced by Ben Harper and Phish. All chill kids who know how to smoke and have fun love to listen to jack johnson
"let's have a party on friday"
"you bring the dank and mellow"
"ok, I'll bring my Jack Johnson CD"
by lizzlemynizzle July 24, 2005
62 114
 
18.
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
18 87
 
19.
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
4 75
 
20.
Another word for a talentless loser who's music will result in you hurting something or someone. This cheesy, boring, repetitive music is from a wave of crappy acoustic artists such as James Blunt.

*Challenge* Listen to a Jack Johnson album and pick out one song from another.
"Look at that prick, he's got no talent at all, what a fucking Jack Johnson"

by Jackjohnsonhater July 17, 2006
181 312