mug Pronunciation: /mʌɡ/Translate mug | into French | into Italian | into Spanish German translation of mugA. n. 1 Becher; (for beer etc.) Krug 2 (coll.) (face, mouth) Visage (salopp) 3 (Brit. ) (coll.) (gullible person) Trottel (ugs.)B. v.t. (-gg-) (rob) überfallen und beraubenmug in other Oxford dictionaries Definition of mug in the British & World English dictionary Definition of mug in the US English dictionary