Committing suicide in a sewer.
Jeff was found cold and limp after committing sewercide.
by Moonsauce June 02, 2011

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Top Definition
Releasing a fart so pungent that it usually causes physical harm to those unlucky enough to inhale. So named because it reeks like a sewer.
Fat Eric committed sewercide and farted himself to death.
by Moose May 20, 2004

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When someone is found slumped over dead on the toilet hovering above their own bowel movement having been overcome by methane due to the lack of a courtesy flush, they have committed Sewercide.
Wade's death was ruled a Sewercide when his body was removed from the porcelain throne revealing a large and noxious fecal mass.
by Wadeoff Innair March 28, 2015

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