butter and egg racket
n.— «He followed it by a six-city survey quoting records, officials and personal observations of the butter and egg racket. The game is a lottery played by low-income groups.…Bets are made on the butter and egg produce market quotations—small bets ranging upwards from a few cents.» —“Statewide Butter and Egg Racket Exposed by Newspaper Reporter” in Winston-Salem, N.C. Statesville Daily Record (N.C.) May 31, 1949. (source: Double-Tongued Dictionary)