an excessively puritanical person.
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How to use wowser in a sentence
You wowsers from Oxford and Cambridge want your blinkers taken off.John Brown | Captain R. W. Campbell
British Dictionary definitions for wowser
a fanatically puritanical person
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