WordRel.com

• with handle and usually cylindrical

  hypernym	drinking vessel
  hyponym	beer mugcoffee mugsteintobytoby fillpot jugtoby jug
  mero part	griphandgriphandlehold

• the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)

  synonym	countenancekisserphizphysiognomysmilervisage
  domain region	BritainGreat BritainU.K.UKUnited KingdomUnited Kingdom of Great Britain and Northern Ireland
  exemplifies	colloquialism
  holo part	human head
  hypernym	facehuman face
  hyponym	pudding facepudding-face

• a person who is gullible and easy to take advantage of

  synonym	chumpfall guyfoolgullmarkpatsysoft touchsucker
  exemplifies	depreciationderogationdisparagement
  hypernym	dupevictim

• the quantity that can be held in a mug

  synonym	mugful
  hypernym	containerful

• To stare awkwardly

  exemplifies	AAVEAfrican American EnglishAfrican American Vernacular EnglishBlack EnglishBlack English VernacularBlack VernacularBlack Vernacular EnglishEbonics
  hypernym	gazestare

• rob at gunpoint or with the threat of violence

  derivation	muggeemuggermugging
  other	muggeemugger
  domain topic	crimecriminal offencecriminal offenselaw-breaking
  hypernym	hold upstick up