Top Definition
Same idea as "Slap Nuts" One who is not very smart and fails to use common sense.
"Jon, why did you leave the car there you Nut Wacker"
by R. Buzman April 05, 2009
one who is beyond the realm of mad, crazy or insane; an internet troll.
Once she ran out of medication she turned into a total nutwacker by stalking my home, website and making prank phone calls.
by The Rock Bitch April 26, 2006
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