A nickname for the lifestyle of Rock stars. The three things are stereotypically connected, and none can be separated from the others.

Basically, the idea is that the lives of rock stars are in their bigger part those three things: having sex (with fans), using drugs(often illegal ones), and performing (this is what the rock and roll stands for).
Examples to Rock stars that lived the "sex, drugs, and rock n roll" way:
1) Elvis Presley. Died of drug abuse.
2) Guns and Roses. The guitarist Slash nearly died of drug abuse.
3) Queen. Vocal Freddy Mercury died of AIDS after being infected by having unprotected sex.
by Urban_Fellow February 11, 2007
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a cliche that hard rockers of the 1960s,1970s, 1980s, and to some extent, the 1990s and today, follow, saying that these are all rock and roll songs are supposed to be about: banging groupies, taking lots of drugs, mistreating women, and rock and roll music, when we know that there's more to sing about than that stuff

2) the reason why grunge kicked out hair metal

3) the reason why everyone hates emo
1)The main reason people like the Buckcherry song "Crazy Bitch" is that it follows the tired old "sex, drugs, and rock n roll" trend that has been in effect since the 1960s. Besides, who needs to hear them call someone a bitch? The National Organization for Women should get this song off the radio! The only difference between the rock songs of the 1960s and Buckcherry's song is that Buckcherry's song has cussing.

2) All hair metal was doing was following the unneeded "sex, drugs, and rock n roll" trend, and Nirvana knew that there was more to rock than that, so they kicked the hair metal musicians' sorry butts to the curb. Unfortunately, this trend is making a comeback, and it really needs to die!

3) Sex, drugs, and rock n roll is a stupid trend, and emo is actually meaningful than all the songs that follow this trend. Emo cares about the music; the artists that follow this trend only care about excesses, and that's what emo haters expect emo artists to sing about, when in reality, emo is far deeper than this moronic hard rock. Anyone can do this trend; few people can do emo.
by Karen Stickney November 3, 2006
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