Top Definition
Noun. A woman with a skinny ass that has no shape. "Mayonnaise" is a slur for "man ass."
You know a woman is a Mayonnaise Ma'am when you see her from behind and mistake her for a man. Hip-huggers fit her like a sock.
by Carl Stawicki July 15, 2008
5 Words related to Mayonnaise Ma'am

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