knodder 

When your penis is one blood pump away from a full raging erection and it just kind of hangs there like a bouncing bobble head.

Scott made sure he had a knodder when the nurse examined his testicles.

knodder by sanchezfugly July 12, 2016

kroddern 

A nerdy dork. If read in the opposite direction, the world will spell out nerddork. The word has a positive connotation.

Haha, we are such krodderns!

kroddern by Jaykrod January 12, 2008

Knobder 

a noun used to name somebody who ats/looks like an idiot/areshole/twat . An elaberation on knobber and bumder.

"Shut up you fuckin knobder" or "look at that knobder"

Knobder by Louise Theakstone May 17, 2008