1. A new incarnation of hip hop made popular recently by such Dirty South acts as Lil John and the Eastside Boys, mainly consisting of black males yelling indiscriminate words (beeyah-beeyah?) at the top of their lungs to loud, repetitive beats and somehow calling it music. Apparently, no talent is required to produce crunk.
2. A new ebonic term referring to something that is cool or exciting, similar to "tight" or "off tha chainz". Hopefully, a fad that will fade away like "bitchen". Used often by the wigger