La chancla

A slipper or flip flop , mostly used in a hispanic household , that is used by women to beat their children or husbands with if they do something that angers her.

Friend : "Dude what happened to your face?"
Me : "I dropped my plate yesterday and my mom gave me la chancla."

zehma bok

hitting someone in the balls so hard that destroy dick December isn't even possible anymore.

"Ik kom af me fiets en geef u danne zehma bok" ( Belgian slang )