- rock and roll (n.)
[rock and roll 词源字典]
- also rock 'n' roll, 1954 in reference to a specific style of popular music, from rock (v.2) + roll (v.). The verbal phrase had been a Black English euphemism for "sexual intercourse," used in popular dance music lyrics and song titles since at least the 1930s.[rock and roll etymology, rock and roll origin, 英语词源]