look up any word, like dirty sanchez:
 
1.
A. A person that is an asshole, prick, or generally disliked. B. When a female performs oral on the male genetalia.
A. That smelly guy that stole my money is a real licknob. B. That slut has licknob skills unsurpassed by anyone.
by K.G.#1 March 04, 2006
 
2.
Slang for a person who prefers fellatio.
An undesirable personality.
That gurl's/guy's a straight-up Licknob.
What's yer problem, you freakin' Licknob!
by BigRick October 17, 2006