wack a cock
A popular game where you randomly make your cock pop out of a box with holes while the other player tries to wack at it with his own cock.
Man you wanna play wack a cock? Ok but only up to 20.
wack my cock
a more impressive and aggressive announcement that you are going to masturbate or have a wank.
Can we leave now Jerry?
10 more minutes, I need to wack my cock!
10 more minutes, I need to wack my cock!