In his monologue on Class Clown, the comedian identified those words and he was amazed that none of these words could ever be used on TV or radio broadcast. Being considered inappropriate for broadcast, George Carlin 7 words were always avoided in scripted material or censored if, by mistake, used. Even though there's been more than 30 years, the routine is still famous and known as George Carlin 7 words, leaving us with unforgettable George Carlin quotes.
And even though there's been more than 30 years, most of the Seven Words you Can Never Say on TV list are still forbidden on American broadcast television.
In October 1973, George Carlin stand up album "Occupation Foole" was released, including a routine titled "Filthy Words", being the same list of George Carlin 7 words. Same year, on 30th of October, the New York radio station, WBAI-FM broadcasted George Carlin uncensored routine and because of a man named John Douglas who filed a complaint to the Federal Communications Commission, the radio station received citation for broadcasting "obscene" material, the George Carlin jokes about filthy words. The conflict led to a Supreme Court decision, which in 1978 rulled that George Carlin 7 words was "indecent but not obscene".
Nonetheless, the Supreme Court gave the FCC the authority to prohibit broadcasting of this routine between 6AM and 10PM, hours when children were likely to listen.
The George Carlin 7 words, included in many George Carlin video after that, are: shit, piss, fuck, cunt, cocksucker, motherfucker, tits.
In the 1983 George Carlin video Carlin at Carnegie, the comedian expanded the list of the seven dirty words, reading from a scroll, a list of over 200 filthy words.