mexican kidney punch 

The act of hitting some body so hard that your fist breaks their skin and you grab their kidney and pull it out.

Fuck, that kidney punch looked like it hurt!

mexican kidney punch by r3L4x September 30, 2003

Anal Kidney Punching 

sticking your cock so far up a chicks ass that you poke her kidney and she pisses blood

guy1: what are you doing tonight?

guy2: oh my woman wanted mo to practice my Anal Kidney Punching.

guy1: oh....

guy2: yea she says im really close but no blood yet.

Anal Kidney Punching by samtheman4808 April 30, 2008