(n) A noise made to signify the ultimate leetness of something. The leetness of something can be determined by a j00lameter.
Kawanging- (a)To describe someone or something that is uber 1337 to the n-th degree.
As a noun: Kawang! (Said after having captured the flag in Halo)
As an adjective: That guy is kawanging, he just stole the other teams flag 3 times in 1 minute!