recherchez un mot, comme spook :
 
1.
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)
Man I finally got a handjob from that one girl but when I was least expecting it she JACKARACKED me. I nearly threw up.
de Akire 17 février 2013