Top Definition
A large spherical organ below the lungs that allows unicorns to do all that fancy fantasy shit they do.

<rainbowsandunicorns.com>
<myspace.com/scottfoxpride>
Make sure you don't eat the Magic Toober when we're eating our unicorn on Crayon Day.

My pet unicorn is having Magic Toober problems.
by Scott Fox :] March 28, 2009
6 Words related to Magic Toober

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