British Dictionary definitions for grundies
- NZ informal men's underpants
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
Examples from the Web for grundies
"Margaret has no Mrs. Grundies," said I, rather indignantly.
With half-a-dozen men, one girl, and a host of Mrs. Grundies, you are brave if you think you can manage to engineer a good time.