1 definition by Anonymous19928739444546t

Top Definition
A strange mythical creature which is a mixture between a mermaid and a unicorn. Has the bottom half (tail) of a mermaid and the top half (horse head and horn) of a unicorn. Very rare.
Did you just see that Mermacorn?!" "Dude! Mermacorns aren't real!
by Anonymous19928739444546t October 31, 2010
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