The act of constricting a male's testicles with a rubber noose, and harshly slap it back and for that as if it was a punching bag.
Nic: Hey dude are you alright?
Michael: Yeah man my sister gave me a huge chinese nut tap last night.
Michael: Yeah man my sister gave me a huge chinese nut tap last night.
by Gallant September 24, 2011