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Shop assistant who works on Saturdays: the kind of job you usually have when you're still at school.
She works as an MFI Saturday girl.
by Who Anon October 13, 2008
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2
By extension, a teenager of a certain type and with identifiable attitudes and characteristics, who has a part-time weekend job whilst at school or college.
Those two are just a pair of Saturday Girls.
by Chezet September 11, 2016
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