say it: TRIP-ur
tripper is a noun meaning "(slang) someone who has taken a psychedelic drug and is undergoing hallucinations". It carries 4 recorded senses.
(slang) someone who has taken a psychedelic drug and is undergoing hallucinations
slang
a walker or runner who trips and almost falls
a tourist who is visiting sights of interest
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for tripper come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.