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To poke someone quickly and sharply, preferably in the face, then declare "Unicorn Bite!" if the poke is successful.

If you miss because they catch you out before you can land the bite, then you fail, tiny unicorn.
Friend 1: "Oh my gosh! You just poked me hard and sharp in the face!"

Friend 2: "UNICORN BITE!"

Celebrations ensue.
by thegloriousunicorn May 08, 2010
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