armpiece

noun

arm·​piece ˈärm-ˌpēs 

plural armpieces

slang

: an attractive person who accompanies someone to social events

New York Giants standout Michael Strahan is a daily fixture in the New York Post these days thanks to his new armpiece Eva Pigford from "America's Next Top Model" …

—Speakin' Out News (Huntsville, Alabama), 28 June 2006

Word History

First Known Use

1945, in the meaning defined above

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