Top Definition
1. Any (usually incredibly stupid) idea that can only and inevitably end badly. Very badly.

2. Any situation doomed to end in epic failure.
Mark: I'm going to hold this bottle rocket, light it, and let it take off out of my hand. It's gonna be sweet!

Everyone else: Wow! What a doomungous idea. You go do that.
by Frizz Connery February 29, 2008

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The Urban Dictionary Mug

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