A person overly fond of or as the word junkie would denote addicted to the nub (see also knob, cock, penis, wanker, etc).
Used as a negativism or insult either in anger or in jest.
Person 1: Person 3 is such a nub junkie.
Person 2: Yeah, a total bob-knobber.
Person 3: I heard that!

Person 1: Hey, gimme a dollar, I want to get me a coke.
Person 2: What? Do I look like your sugar daddy, you freaking nub junkie?
by 3Dradio May 21, 2006
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