gal Friday
noun
Older Use: Sometimes Offensive. a woman who acts as a general assistant in a business office or to an executive and has a wide variety of especially secretarial and clerical duties.
Origin of gal Friday
First recorded in 1955–60; modeled on man Friday
Usage note
See girl.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019