Top Definition
A plutonium poop, is a poop commonly defined by its extraordinarily high levels radioactivity. This is due largely in part to the high concentrations of raw plutonium and Cobalt-60. The origins of plutonium poops are completely unknown, but are becoming increasingly common in public restrooms.
"dude, I think someone dropped a plutonium poop in the mens room. the smell gave me ball cancer"
by chillbillwill June 17, 2016
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