Short for Slap Jack Nut Sack. He has his ups and downs in counter strike and it all depends on how much sex he is getting, and how good it is.
a)OMG I HAVE A SCORE OF 25 AND 1 AND I GOT LAID 5 MINUTES AGO!

b)OMG I HAVE A SCORE OF 1 AND 25 AND I GOT LAID 5 MINUTES AGO!
by Slap Jackin December 1, 2004
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Smokin weed, in refference to cutting down "trees". Bay Area
by Chris July 28, 2004
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Jam Jackin Jervis is a well known figure in the GTA in Canada. JJJ is well known for stealing almost anything, from car tires to laptops. Jam Jackin Jervis loves to also steal things from partys. Eventually the phrase "Jam Jacked" has transpired into a phrase said by those who have had somthing stolen from them.
*Child enters his hallway at school and see's his locker has been cut*
Student 1 "Looks like Jam Jackin Jervis has been here!"
Student 2 "Ahhhhh, I've been Jam Jacked!"
by Jervis69 September 10, 2009
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A male masterbating, stick referring to the male penis.
Also see- masterbate, jackin off, jerkin off, jackin it.
I is jackin da stick every night cuz it feel good, and I also can't get laid.
by Adam Povavili October 25, 2006
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its basically a metaphor for when your high as hell.

so your hi-jackin planes cuz u so high
waka flocka flame used it in his song "hi-jackin planes"
person 1: aye mane what u doin tonight?
person 2: shit, hi-jackin planes...
by tizzy t October 7, 2011
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When a guy is playing with his "stock." Most guys jack the bean stock when they can't get any. When a guys' hand is his best friend.
I have a few friends who jack the bean stock all the time cause they have nothing better to do and no one will give them any. Damn horny bastards...
by Midnitesun November 4, 2003
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