n. [ Cf. Ir. mugam a mug, mucog a cup. ] 1. A kind of ceramic or metal drinking cup, with a handle, -- usually cylindrical and without a lip. [ 1913 Webster ]

2. The face or mouth; as, I don't want to see your ugly mug again; -- often used contemptuously. [ Slang ] Thackeray. [ 1913 Webster +PJC ]

v. t. To take property from (a person) in a public place by threatening or committing violence on the person who is robbed; to rob, especially to rob by use of a weapon such as a knife or gun. To rob a person or a business indoors is not usually referred to as to mug, but to stick up or hold up.
Syn. -- rob, stick up [ WordNet 1.5 +PJC ]

n. the quantity that can be held in a mug.
Syn. -- mug. [ WordNet 1.5 ]

a. [ Cf. G. mucker a sulky person, muckish sullen, peevish, mucken to mutter, grumble. ] Sullen; displeased. [ Obs. ] [ 1913 Webster ]

n. A thief who takes property by threatening (or performing) violence on the person who is robbed; a person who commits a mugging; one who mugs. See mug, v. t.
Syn. -- robber [ WordNet 1.5 +PJC ]

n. The small entrails of a calf or a hog. [ 1913 Webster ]

n. The condition or quality of being muggy. [ 1913 Webster ]

n. [ p. pr. & vb. n. from mug, v. ] A robbery; a taking of property by threatening (or performing) violence on the person who is robbed. See mug, v.
Syn. -- robbery, holdup, stickup [ PJC + WordNet 1.5 ]

n. [ Etym. unknown. ] 1. A game of dominoes in which the object is to make the sum of the two ends of the line some multiple of five. [ Webster 1913 Suppl. ]

2. A game at cards which depends upon building in suits or matching exposed cards, the object being to get rid of one's cards. [ Webster 1913 Suppl. ]

v. t. In certain games, to score against, or take an advantage over (an opponent), as for an error, announcing the act by saying “muggins.” [ Webster 1913 Suppl. ]