Top Definition
The ultimate vessel of all that is good in the world and beyond. It delivers rainbows to all the sad little orphans and shoots its marshmallow laser to destroy evil and sadness. Also has a pretty sick rainbow mane.
Hey, what was that flying past right before it started to rain marshmallows?
It was the space unicorn, traveling through the stars, delivering the rainbows all around the world.
by warsy March 06, 2011
5 Words related to SPACE UNICORN
A unicorn that lives among the stars. Space unicorns have large, beautiful wings and long flowing hair, they come in many colors.
"The gorgeous space unicorn fled into the milky way"
by St.George SK October 31, 2004

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