v. to strap a dildo to your head (like the horn of a unicorn) and to screw someone IN THE ASS (the cornhole)
Jim screwnicornholed Patsy up against the front door until she was screaming like a banshee.

After screwnicornholing Michael, Dawn had to wash the fudge and corn off of her headgear.
by masochistmonkeyjoe June 15, 2007
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