Definition of Big Brother Movement in English:

Big Brother Movement

noun

  • 1North American
    North American (with lower-case initial in the third element) a volunteer movement providing adult mentors to (troubled or disadvantaged) boys.

  • 2Australian
    Australian a voluntary organization founded in 1925 to provide care and advice for British and Irish youths emigrating to Australia.

Origin

Early 20th century; earliest use found in The New York Times.