An exclamatory word used to proclaim excitement, encapsulating the very essence of hype. Of the same general meaning has 'hell yea.' Functions similarly to a verbal dap up and is customarily preceded by the word 'fuckin' to amplify effect (Fuckin' DURR!).
“And you just know I had to eat it bro.”
“Fuckin’ durr dude. That’s what I’m talkin’ about.”
When you sit next to a kid on the school bus that obsesses over hummers and his lighted bicycle, but completely ignores your clearly visible hyper sexuality.
“So what’s your favorite Hummer model durr?.”
“Dude I’m trying to stalk my hot blonde coworker! She’s right there next to us.”