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1. a horny unicorn, often found in a magical valley

2. a hobbit crossed with a unicorn (as a result of a forbidden enchanted forest romance)

3. a shy, unassuming guy who shockes everyone with his graphic sexual jokes and overt gestures

1. "We saw a Hornicorn at the zoo humping a giant sea turtle"

2. "That hornicorn is the result of Frodo's drunken orgy with the unicorns of the Neverending Story"

3. "Who ever knew Marco was such a hornicorn?"
by CeleLight August 01, 2008
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