Top Definition
A cloud that very rarely forms in nature, characterized by its tendency to rain flowers, candy, jellybeans, cadbury eggs, bunnies, and purple ducks covered in chocolate sauce. To find yourself under a nimbostrafolafogus is considered to be the best luck possible, and anyone graced by the bountiful shower of a nimbostrafolafogus can walk the earth feeling as if they are a god amongst men.
Did you hear that Lauren got showered on by a nimbostrafolafogus, how lucky!
by mmmmmmmmmmarkylarky April 08, 2009

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