Top definition
1. Warfare involving the use of biological weapons.

2. The act of farting in your sleep.
1. germwarfare is potentially more deadly than nuclear warfare.

2. "Aachhk dude, it smells like germwarfare in here. Crack a fucking window."
by Burrito Man November 03, 2003
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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