1922 S. Lewis i. § 4. 19 He stuck in his lapel the Boosters' Club button.
1923 7 June 4 The deadening influences of a wife, a family, a motor car, and a Booster Club.
1929 8 Jan. 9/3 While other cities over the country are organising ‘booster’ clubs, New York [has] started a ‘back to main street movement’.