rocker

 
Pronunciation: /ˈrɒkə/

noun

  • 1a person who performs, dances to, or enjoys rock music: a punk rocker
  • a rock song: the collection kick-starts with a great rocker, Wired All Night
  • British a young person, especially in the 1960s, belonging to a subculture characterized by leather clothing, riding motorcycles, and a liking for rock music.
  • 2a rocking device forming part of a mechanism, especially one for controlling the positions of brushes in a dynamo.
  • 3a curved bar or similar support on which something such as a chair or cradle can rock.
  • a rocking chair: he sat in his rocker and went to sleep
  • 4 [mass noun] the amount of curvature in the longitudinal contour of a boat or surfboard: the hull lines are classic with considerable rocker

Phrases

off one's rocker

informal mad: he looked so strange she thought he was off his rocker