Definitions by Roger Rammjet

jizz nut 

When a girl bite a mans testicle in half causing semen to explode on her face.
Also a word used in place of moron, or just general swearing.

Kylie gave me a jizz nut last night, i'm surprised i'm still standing!
You fuckin jizz nut

jizz nut by Roger Rammjet September 18, 2006