Top Definition
A bowl movement that begins in a solid state but deteriorates into a liquid state.
"I felt bad for everyone around me when I realized I was dropping a swamp."

"Oh man. Did he just drop a swamp here? I'm using the next one."
#poop #diarrhea #swamp #drop the kids off at the pool #feces #chocolate shotgun
by Abnertown July 18, 2012
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