Definition of nadger in English:

nadger

Pronunciation /ˈnadʒə/

noun

slang, humorous British
  • 1With the. In plural or attributive A non-specific affliction, disease, or illness.

  • 2In plural The testicles.

Origin

1950s; earliest use found in Spike Milligan (1918–2002), comedian and author. Origin uncertain. Apparently an invented nonsense word first used on the Goon Show, a British comedy radio programme broadcast in the 1950s and 1960s: see quot. 1956 at sense 1.