A word referring to someone who is stupid. Stupid in a naive, klutzy way. Word originates from sound effects that accompany sluggish, dopey activity, "durp a durp a durp."
If you are lifting your coffee cup to your mouth, as you awkwardly say 'hello' to your co-worker, and accidentally splash your face... you're a durp.
A word created by Matt Stone and Trey Parker, some time ago starting around the time of cannibal the musical. it is a term of saying something along the lines of "oh shit i am fucking retarded". More people might recognize it the word with the character Mr. Durp whom replaced Chef, and when he would say something stupid would hit himself in the head with a fucking hammer.
"If you loved Chef you'll loveMr. Durp *Whack* 'DURP'".
Durp is commonly used as a way to greet a companion, usually when entering a room. Durp is the natural progression from other such greetings (see below). Also it can be said in approval of an opinion or statement or when showing off about something.
What is up? -> What's up? -> Wassup? -> Waddup? -> Sup? -> Durp?
An expression usually meaning "Duh" or "Dur" Or to be Politically Correct "Of course, you effing idiot!" usually followed by a smack. Sometimes used as a filler word, usually giving or taking a "be" as a pre-fix or "adurp" as an add-on.
Idiot: "hey dude, I think he's dead..."
Normal Guy: "Durp, you fuckin' retard! Now Help Me With The Body, before my parents get home."