'Tripper' definitions:

Definition of 'tripper'

From: WordNet
noun
(slang) someone who has taken a psychedelic drug and is undergoing hallucinations
noun
A walker or runner who trips and almost falls [syn: stumbler, tripper]
noun
A tourist who is visiting sights of interest [syn: sightseer, excursionist, tripper, rubberneck]
noun
A catch mechanism that acts as a switch; "the pressure activates the tripper and releases the water" [syn: tripper, trip]

Definition of 'Tripper'

From: GCIDE
  • Tripper \Trip"per\, n.
  • 1. One who trips or supplants; also, one who walks or trips nimbly; a dancer. [1913 Webster]
  • 2. An excursionist. [1913 Webster]