sack punching 

A move where you punch a man in his sack as hard as possible, used against men usually by women

Bro John didn’t call Sarah back so she proceeded to give him a good sack punching

sack punching by Mr.Constitution February 13, 2018

japanese sack punching 

a game in japan where the man bends over, lets his ball sack dangle and girls take turns punching it over and over again like a punching bag, first one to pass out losses

man did you catch that episode of japanese sack punching lastnight, i cant believe anyone is dumb enough to do that

japanese sack punching by urbanman199876 November 4, 2011

Punching the Sack

Any activity involving touching or pleasuring the scrotum/Balls, how ever you call it.

After playing video games, Brian suggested playing a game of Punching the Sack with Max. ;)

Punching the Sack by moars June 4, 2010