Definitions of tripper

  1. a walker or runner who trips and almost falls
  2. a catch mechanism that acts as a switch; " the pressure activates the tripper and releases the water"
  3. ( slang) someone who has taken a psychedelic drug and is undergoing hallucinations
  4. One who trips or supplants; also, one who walks or trips nimbly; a dancer.
  5. An excursionist.
  6. One who trips.