ˈwau̇zə(r) noun
( -s )
Etymology: origin unknown
chiefly Australia : one who is censoriously hostile to minor vices or disapproves of various forms of popular amusement (as Sunday sports) — used disparagingly of an obtrusively puritanical person
responsible for closed restaurants, limited movies … and a sanctimonious appearance of the streets are the wowsers — J.M.Raleigh
both were denounced as equally obscene by the … wowsers — H.L.Mencken