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1.
the technique of solving problems or organizing thoughts in a manner that will help give a clear insight or understanding of a complex idea or situation.
When my APEL teacher told me to brainstorm, I decided I'd much rather brainbow.

In order to study for my essay, I brainbowed all my ideas.
by that one kid db November 02, 2010
 
2.
(n.) - a brilliant idea that soars "over the rainbow" during a group brainstorming session
"Bob, your idea is so good, I want to call it a brainbow! It really soars above the rest, and it's a keeper. Brilliant!"

-- Overheard at a watercooler in Mountain View, California on January 9, 2010
by PRwiz101 January 16, 2010