n. (one's) mother. (Mildly derogatory.) : What time does your old lady get home?
n. (one's) wife. : My old woman doesn't like for me to go out without her.
n. (one's) girlfriend. : My old lady and I are getting married next week.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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Example sentences
They could be craters, they could be seas with water, they could be an old lady.
But the old lady who runs it considers current culinary trends a tougher challenge than any of that.