1 definition by Bubonic_Chronic

Top Definition
A made up sexual act which involves Partner A wearing a strap on dildo on their forehead and then proceeds to have intercourse using said dildo with Parter B. This was referenced in a Most Offensive Video Over-Dub of a Charlie Brown and Peanuts cartoon.
"We're going to do the Screw-Nicorn trick. That's when I put a dildo on my head and fuck Marcy headfirst like a Unicorn on amphetamines."
by Bubonic_Chronic November 01, 2007

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