When one preforms a handjob with a devious secret plan to rack (or hit) a male's testicles.
(Jackarack could also be understood as false hope)
(Jackarack could also be understood as false hope)
Man I finally got a handjob from that one girl but when I was least expecting it she JACKARACKED me. I nearly threw up.
by Akire February 17, 2013