Top Definition
a kid or an idiot;
a random name used to insult someone
Spongebob:"I might be a kid, or a goof ball, or a knucklehead mcspazatron."
by fatboy November 22, 2004
A Knuckle-head McSpazatron is a very, very silly person. Is used as an insult.

First use was recorded in the SpongeBob SquarePants movie.
'You're a Knuckle-head McSpazatron!'
by RowHoe May 22, 2008
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