noun (used with a plural verb) Informal.
long underwear, especially for winter use.
Words nearby long johns
Origin of long johns
First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Examples from the Web for long johns
Her curly hair bounced as she stomped back and forth, her soft, round buttocks flexing under her long-johns.Someone Comes to Town, Someone Leaves Town|Cory Doctorow
British Dictionary definitions for long johns
informal underpants with long legs
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