Knob Jockey... one who is a complete penis rider. i.e one who is an arsehole
Bob: Timmy is such a KNJ
Dave: I think so too
by MR.VAGINALICKER123 March 18, 2010
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Killer Nigga Jeff

He’s back
He’s a killer he’s a nigga he’s Jeff (KNJ)
by Heskey2000 March 26, 2019
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