FUG Meaning of FUG in English /fug/ , n.stale air, esp. the humid, warm, ill-smelling air of a crowded room, kitchen, etc. [ 1885-90; of obscure orig.; cf. earlier Brit. slang fogo stench ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012