have a glass jaw



have a glass jaw

Fig. to be susceptible to a knockout when struck on the head. (Said only of boxers who are frequently knocked down by a blow to the head.) When the prizefighter was knocked out cold by a right to the chin in the first round, the newspapers said he had a glass jaw. Once a fighter has a glass jaw, he's finished as a boxer.
See also: glass, have, jaw

Common Names:

NameGenderPronouncedUsage
Pompilius-Ancient Roman
Neven-Croatian, Serbian, Macedonian
Howe[hau]
Nikostratos-Ancient Greek
Jacob['dʒeikəb]
Alfwin-Ancient Germanic