Fug is a 3 letter English word. It's valid Scrabble word worth 7 points. It's valid Words with friends word worth 9 points.
You can make 7 anagrams from letters in fug (fgu).
1885-90; of obscure origin; compare earlier British slang fogo stench
The draughtiness and civilization of the new huts compared with the "fug" of the tents all combined to give us chills!
All dugouts have a peculiar "fug" of their own, but these German dugouts were particularly unpleasant.
All others were below ground round the "fug" of their braziers.