- stale air, especially the humid, warm, ill-smelling air of a crowded room, kitchen, etc.
Origin of fug
1885–90; of obscure origin; compare earlier British slang fogo stench
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for fug
All others were below ground round the "fug" of their braziers.From Bapaume to Passchendaele, 1917
All dugouts have a peculiar "fug" of their own, but these German dugouts were particularly unpleasant.Fighting the Boche Underground
Harry Davis Trounce
The draughtiness and civilization of the new huts compared with the "fug" of the tents all combined to give us chills!Fanny Goes to War
- mainly British a hot, stale, or suffocating atmosphere
C19: perhaps variant of fog 1
Word Origin and History for fug
"thick, close, stuffy atmosphere," 1888.
Online Etymology Dictionary, © 2010 Douglas Harper