Simple Definition of fug
: the unpleasant air in a room that is very crowded, smoky, etc.
Full Definition of fug
: the stuffy atmosphere of a poorly ventilated space; also : a stuffy or malodorous emanation
Examples of fug
They sat in the dense fug of a smoky bar.
Origin of fug
perhaps alteration of 1fog
First Known Use: 1888
Definition of fug
: to loll indoors in a stuffy atmosphere
: to make stuffy and odorous
First Known Use of fug
Seen and Heard
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