The best way to say something is neat-o, awesome, or swell. The phrase "cool" is very relaxed, never goes out of style, and people will never laugh at you for using it, very conveniant for people like me who don't care about what's "in."
Homestar is cool.
The Red Sox are cool.
Twinkies are cool.
In 1995, Conan O'Brien and Andy Richter were scheming ways to get past the TV censors on Conan's late night talk show, and they settled on an all-purpose, suitable replacement for the infamous seven dirty swearwords that they couldn't say on TV: Crunk. The choice to use that word was definitely not random. Ice T just happened to be on the show that night, and he likely fed the word to them beforehand and certainly helped fuel its popularity during the telecast ("That was seriously crunked up, right there."). But Ice never claimed to have come up with the word--he probably got it from Dirty South rappers, who had been using it for years as a euphemism for getting really crazy and fucked up on marijuana and alcohol (stoned and drunk. Chronic plus Drunk = Crunk). Or maybe crack and drunk. Or coke and drunk. Or maybe just being crazy and drunk. Whatever it is, it means getting really crazy and fucked up. And with Conan's introduction of the word to northern suburban audiences, Crunk came into its own as the recognized sound of the new generation of Dirty South Rap, prompting white college fratboys everywhere to wander around going "WHHHUT!! OKAAY!! YEEEAAHHH!!" like annoying dipshits. and it's all thanks to Lil Jon, and by Lil Jon I mean Dave Chappelle.
"Whhhut!! OKAAY!! YEEEAAHHH!!"