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A person --usually a freshman guy -- in a shared dormitory bathroom who habitually forgets to flush a toilet after taking a big shit. Poop and Go also refers to anyone who leaves brown stains in a toilet bowl that has to be shared by others. Most poop and go's are thought to do this intentionally as a sign of dominance or disdain for others.
The freshman welcomed Joe to the dorm until they found out that he was a habitual poop and go who never flushed or cleaned the shit stains in the bowl.
by LaVista September 17, 2013