Green’s Dictionary of Slang

1. (US) a bimbo n.

1964

B. Jackson Get Your Ass in the Water (1974) 117: So I met and married a bingo [bimbo] / yes, marriage license, wedding rings, and all.

2. an attractive person.

2002

J. Cameron Hell on Hoe Street 115: He was never a real bingo in the looks department.