Definition of ruptured duck in English:

ruptured duck

noun

US
Military
slang
  • 1A damaged aircraft.

  • 2Also with capital initials. A nickname for the honourable discharge badge given to ex-service personnel during the Second World War (1939–45); the eagle depicted on such a badge.

Origin

1930s. From ruptured + duck.

Pronunciation

ruptured duck

/ˌrʌptʃəd ˈdʌk/