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The sudden, overwhelming urge to masturbate, often causing the afflicted person to rub one out in a location other than their standard ejaculatorium.
I caught a glimpse of her meat flaps when she bent over, and I had a full-on jack attack. Seriously, dude... I had to go rub one out in her bathroom.
by fapfapsplort September 01, 2010
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the act of having a cigarette with the company of your friends, or in some cases alone.
Zbaby: hey skyrus, wanna step outside for a jack attack?
skyrus: yeah man, do you have a lighter?
Zbaby: yeah dude.
by kunivaxpblahh February 02, 2009
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1)To indulge the the greatest drink of all time...Jack Daniel's.

2)To be transformed by Jack Daniel's into a Party Animal
Last night Dylan went on a Jack Attack and his night ended like a Tag Commercial!
by Jack Himself January 05, 2006
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When you jack off so much that you feel like your burning loins are attacking you and everything you love.
Dude, I haven't seen you in days. Where were you?!

Massive jack attack.

I totally understand.
by GayBlaine October 09, 2014
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