So, what are those seven words you're not supposed to say? Am I correct in thinking George Carlin is responsible for the list?
Hey, I put "seven words" "George Carlin" in Google and it came right up. George's monologue is here (click).
The words are Shit, Piss, Fuck, Cunt, Cocksucker, Motherfucker and Tits. Now you know.