15
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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16
(N) A midget who sucks dick.

Often used as a gay joke to guys or an insult to a whore who is always sucking dick.
Also relates to the phrase "gobble the knob".
Just in case you don't know, : knob
Guy 1: *trips guy 2*

Guy 2: what a knob goblin

Girl 1: that wasn't very nice

Guy 2: shut up, you're one to, literally

Girl 1: ...

Guy 2: kthxbye
by uraknobgoblin April 06, 2010
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17
when a male is receiving a blowjob he may use snot a lube. As the snot is green the knob amazingly looks like a goblin.
by Mateplz November 21, 2016
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The vengeful act of crapping on a lover's chest while they sleep.

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