Top definition
A cross between a unicorn and a pegasus that has magic abilities and the power to fly. Most commonly seen in the hit tv show My Little Pony: Friendship is Magic.
Person A: I was watching My Little Pony: Friendship is Magic last night! What was that creature that looked like a Unicorn but also like a Pegasus?

Person B: I was watching My Little Pony: Friendship is Magic too! That creature was a Unipegacornasus , its half unicorn and half pegasus
by Farrai November 25, 2012
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