Top definition
time for a cigarette; whenever you want a cigarette, announce that it is jack time
dude: hey man its jack time, you got a light?
by veree November 26, 2011
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2
A method of war in which a person initiates in the act of charging into battle screaming the name of Jack Dark. This method is very ineffective and normally results in death for all.
ITS JACK TIME!!!!!!

CHARGE!!!!!!
by AAAHHHNNNUUULLLDDD!!! June 04, 2009
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3
When a friends time keeping is so poor, they arrive anywhere from 5 minutes to 5 hours late...
Alex: Dude where were you?
Jack: Oh sorry I'm running on Jack Time
by Mack1990 August 14, 2011
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