knobdick 

To mess with something with out knowing what you are doing.

I was in Radio Shack and some kid kept knobdicking with car stereos, so I couldnt hear the sale clerk.

knobdick by R1burden March 19, 2010

Knobsickle 

A small penis, when erect

My boyfriend has a knobsickle

Knobsickle by furrylampshade2543 November 9, 2009

knoblicker 

Typically a Male Homosexual....

There goes that Knoblicker again.....

knoblicker by Harry Ballzannya June 27, 2005