A goblin that infests your knob if you don't wear a condom.
Or, a goblin that like knobs.
Did you hear about Jimmy? He went to Tijuana and got knob goblins from a hooker.

While camping, Derek walked into the woods to take a leak, and was immediately fellated by a knob goblin. There were no survivors.
by Grossenschwaum February 12, 2006

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