wowser [wou-zer] Word Origin noun Australia and New Zealand.
- an excessively puritanical person.
Origin of wowser First recorded in 1895–1900; origin uncertain British Dictionary definitions for wowser wowser noun Australian and NZ slang
- a fanatically puritanical person
- a teetotaller
Word Origin for wowser C20: from English dialect wow to whine, complain