Top Definition
An environmentally friendly, totally non-radioactive variant of the hugely unpopular H-Bomb.

Goes *plop* on detonation instead of *kaboom*, and the payload is extremely beneficial to plant life.

Also, it is easy to construct using a mere plastic bag and lots of di-hydrogen monoxide.
After they dropped that 20 Kiloton H2O bomb on Saudi Arabia, Oasises started sprouting everywhere! It's incredible!
by Shizuma April 14, 2008

The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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