probably used by the Z-boys (and me) to expess extreme delight at some completly, outstanding, overpoweringly decent. Also probably started by stoned aussie surfers from the stoneage, along with narly, bogus, dude and surfing
Livi skatepark is RAD as fuck man!
used when u dont know the guy that just porked your girlfriend
WHO the fuck is that bastard?
Often used by Scottish Glasgow Neds, usually followed by "mate" to let you know that something is ok
Ned: "Got a fag mate?"
Passer-by: "Nah, sorry im all out"
Ned: "Sound mate"