Definitions by Japlunker

The lawn mower 

Biting off a partners pubic hair in the process of giving head

Giving the lawn mower generally annoys your intercourse partner.

The lawn mower by japlunker December 3, 2010

Kaplunk

Slapping a girl (or guy as the case may be) with your testicles across the face

I kaplunked my girlfriend last tuesday

Kaplunk by Japlunker December 1, 2010