1 definition by Blargdragon

Top Definition
What comes out of a unicorn's horn when you polish it. A wonderful low-fat alternative that's great in sandwiches.
When I spit-shine Sparkle's horn, he gives me a lot of unicorn mayonnaise, thus saving me a trip to the store.
by Blargdragon April 02, 2006
Mug icon
Buy a Unicorn Mayonnaise mug!