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wowser

American  
[wou-zer] / ˈwaʊ zər /

noun

Australia and New Zealand.
  1. an excessively puritanical person.


wowser British  
/ ˈwaʊzə /

noun

  1. a fanatically puritanical person

  2. a teetotaller

"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

Etymology

Origin of wowser

First recorded in 1895–1900; origin uncertain

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