mug mug /ˈmʌg/

noun

1. With handle and usually cylindrical  ( mug )
   with handle and usually cylindrical
    I like to drink tea in a large mug
   I like to drink tea in a large mug
   
   
2. The human face (kisser' and smiler' and mug' are informal terms for face' and phiz' is British)  ( kisser , mug , phiz , countenance , physiognomy , smiler , visage )
   the human face (kisser' and smiler' and mug' are informal terms for face' and phiz' is British)
    The artist was particularly skilled in capturing the unique physiognomy of each of his subjects.
   The artist was particularly skilled in capturing the unique physiognomy of each of his subjects.
   
   
3. [Informal] A person who is gullible and easy to take advantage of  ( fall guy [Informal, N. American] , gull [Informal] , mark , chump [Informal] , fool , mug [Informal] , patsy [Informal, N. American] , soft touch , sucker [Informal] )
   a person who is gullible and easy to take advantage of
   
4. The quantity that can be held in a mug  ( mug , mugful )
   the quantity that can be held in a mug
   
   

verb

1. (crime) rob at gunpoint or with the threat of violence  ( mug )
   (crime) rob at gunpoint or with the threat of violence
    I was mugged in the streets of New York last night
   I was mugged in the streets of New York last night