a large usu cylindrical drinking cup= mugfulinformal the face or mouth of somebodyBrit, informal somebody who is easily deceived; a sucker [prob of Scandinavian origin]
to assault and rob (somebody), esp in the street or some other public placeinformal to pull faces; to grimacemugger nounmugging noun[sense 1 prob from obsolete mug to punch in the face, from mug1]