An expression most likely originating from the series South Park. The expression was used for expressing, through terms, either an obvious observation or a stupid phrase.
The term is also interchangable with similar terms such as: durp durp, hurp-a-durp durp, and da durp durp.
Person 1: "Dan thought that Iraq meant a woman's chest."
Person 2: "Hurp a durp."
Person 1: "Who's Madonna?"
Person 2: "Hurp a durp!"
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