noun Australia and New Zealand.
an excessively puritanical person.
Origin of wowser
First recorded in 1895–1900; origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
noun Australian and NZ slang
a fanatically puritanical person
Word Origin for wowser
C20: from English dialect wow to whine, complain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012