A combination of cool and emo meaning a cool person who is sorta emo or an emo person who is awesomely cool
Billy: Whoa that kidd is so coomo!
Bob: I know! I wish I was them *sad depressed face*
Billy: Keep that up man! Just wear fresh kicks and you're totally COOMO!
Bob: Thanks Billy!
by BlahBooBlahWoot April 6, 2009
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