Definition of rock 'n' roller in US English:

rock 'n' roller

noun

  • A person who performs, dances to, or enjoys rock 'n' roll music; (also occasionally) a rock 'n' roll song or record. In later use also more generally: a rock musician; a rock song.

Origin

1950s. From rock 'n' roll + -er. Compare slightly earlier rocker and slightly later rocker.

Pronunciation

rock 'n' roller

/ˌrɒk (ə)n ˈrəʊlə/