To have a bowel movement. Evolved out of the phrase "drop colon" where colon can have two meanings(colon as a part of your digestive tract or as a puntuation mark).
hung over guy #1: "Dude, where you goin?"
hung over guy #2: "Gotta punctuate the toilet"
hung over guy #1: "Spray some air freshener after"
by Niceguy October 29, 2006
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