yegg yegg

noun Slang.

1. a safecracker.
2. an itinerant burglar.
3. a thug.

noun

1. slang, mainly US a burglar or safe-breaker

n.“thief, burglar,” especially “safecracker,” 1903, underworld slang, of unknown origin, said to be from John Yegg, a Swedish tramp, or from German Jäger “huntsman.”