Knobnut 

A tosser, a wanker , stupid fool

god did u see that guy driving like a crazy fool hes a real Knobnut

Knobnut by fuckimgoodjustaskme August 9, 2008

knobout 

knobout is a term used to describe a woman who is quite happy to have a very casual sexual relationship with anyone who want to slap it in her.

alright dave what you up to ??
just going round that old sloshers for a knobout,
you know the coo knobout crack on love,
shes just a knobout (no relationship required!!)

knobout by Im the daddy October 25, 2006

Knobnun 

inside joke.

Your a Knobnun

Knobnun by Mrspepper September 8, 2011

knobnubber 

Any Female who gives head with false teeth out

That Suzie gives great head when her teeth aren't in

Yea she's a real knobnubber

knobnubber by Chowda51 November 14, 2020