Top definition
An all powerful, magical kitten with a horn on its head that shits rainbows and glitter.
Person1: *draws picture*

Person2: What's that?

Person1: It's a unikitten. Can't you see the horn?

Person2: Uhh, ok. Whats that coming out of it's ass?

Person1: Oh that's the rainbows and glitter.
by Unikitten April 03, 2011
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