chub up

chub up

1. slang To become noticeably overweight. The actor had to chub up for the role, putting on nearly 40 extra pounds.
2. vulgar slang To begin getting an erection.
See also: chub, up
Farlex Dictionary of Idioms.
See also:
  • chub
  • bone
  • bones
  • choad
  • chode
  • pussy
  • pecker slap
  • crapped