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Kind of Have to Poop. Often followed by the phrases "RHP," or "Really Have to Poop," and, in extremely unfortunate cases, "JPM," "Just Poo'd Myself."
Person 1: Oh no, that mexican buffet is hitting my lower intestine. KHP.
Person 2: That sucks bro. Try to hold it for a while, I don't want to pull over.
Person 1: Situation's progressing fast. RHP, RHP!
Person 2: Alright fine, here's a truck stop.
Person 1: Nevermind, keep going. JPM.
by //JPM July 02, 2010