Top Definition
The name of the sex act in which a woman is on top of her male partner, then as she climaxes she punches him in the nose, yells "Unicorn Laser Beam" and then uses the blood to draw a unicorn horn on his head.
I found out he was cheating, so I Bloody Retributioned his ass... the picture's on my fridge. Don't you just love unicorns?
by angelicacharisma May 07, 2012

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