Definition of Judas Priest in English:

Judas Priest

Pronunciation /ˌdʒuːdəs ˈpriːst/

noun

informal, rare
  • (chiefly North American). In oaths and asseverations, as "by Judas Priest". Compare sense B., "Jesus Christ [interjection]".

exclamation

informal
  • (originally and chiefly North American). Used to express shock, surprise, etc.: ‘Jesus Christ!’.

Origin

Mid 17th century (in an earlier sense). From the name of JudasIscariot + priest.