Means fuel the jet, like said by Leo in Transformers: Revenge of the Fallen, which was a hell of a movie.
person 1: dude FTJ now!!

person 2: what does that mean?

person 1: FUEL THE JET!!!!!!!!!
by Fahot June 25, 2009
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Fuck Tom Jackson, Represented by the closed fist with the arm at a 90 degree angle. Referring to the Kansas City Chiefs Defensive Back, He is a horrible one.
Dude, He Just missed that tackle, FTJ!!!

Where is he? There he is FTJ!!
by Yamishy April 09, 2008
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FUCK THE JUGGALOS!! A small group dedicated souly to killing Juggalos.
Frank - "Man these Juggalos are pissing me off. They think they are safe hanging out in groups, and they think that ICP can rap. What can be done?"

Jack - "Dude, don't worry about them. The FTJ is eventually gonna find out and KILL THEM ALL."
by Juggalo Killa October 28, 2009
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Field Trip Journal

The informal type report required to finalise and document any organised/group field trips.
Organiser: You need to write up an FTJ after we come back from this educational trip to the local farms.
by Mr.Pigeon April 20, 2016
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boss: dude, get your ass over there and clean up

employee: ftj, you people don't pay enough for this shit.
by ragna rok March 04, 2010
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