To Hurp someones Durp is to penetrate them anally while jerking them off and yelling "HURPA DURP!".
"Hey see Robert over there? I gave him the old Hurp Durp last night"
by JorgenMeister December 19, 2008
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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.
Situation "Stupid"
Person 1: "Dan thought that Iraq meant a woman's chest."

Person 2: "Hurp a durp."

Situation "Obvious"
Person 1: "Who's Madonna?"

Person 2: "Hurp a durp!"
by SkavenKnight July 10, 2010
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Something someone says during a stupid or obvious joke, OR, Something someone says to indicate that the person they are talking to is a retard.
Retard: Err... Is that chair got seatbelts?

Normal man: Hurp-a-Durp. Get in the car.
by RyanLeroy June 23, 2010
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To hurp the durp: Being an idiot, doing something stupid. Rleated to hurp a durp and other variations, but possibly more useful as it can be used as a verb.

Also: hurping the durp, hurped the durp.
Someone admits their own stupidity by saying, "I always hurp the durp," or "I was hurping the durp today," or "I hurped the durp just now."

Someone speaks of another persons stupidity by saying, "Did you just hurp the durp?" or "You were really hurping the durp," or "That guy really hurped the durp."
by Deafenition February 9, 2012
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This word is a root for the situation that occurs when your brain goes "pffffffff".
Example1: Steve: O marez i cant remember anything for the exam. Will: Man u jus Hurp A Durp!
Example2: Michael: Bro, ima herp a derp ur face dick!
Nick: bring it foooo!
by AzN Sensationz June 24, 2010
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