Top definition
its when a boy named alex poops out of his genitalia region and eats it for breakfast EVERYDAY! ewwwww that is so gross!
OMG HE TOTTALLY RAINBOW RIVERED IN HIS PANTS!

ewww he totally is rainbow rivering
by silllly March 09, 2009
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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