An old-timey slang term for money, of Cajun origin. The phrase is
pronounced slowly (the "eeee" and "ooooo" sounds are emphasized and
prolonged), and the utterance of the phrase is accompanied by a hand gesture wherein
the thumb is rubbed lazily across the tips of the four other fingers.
Claude
possessed all the trappings of wealth except the most
important: the sweet Mameaux.
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Q. Why did Harrison For deign to make that hokey Japanese
beer commercial?
A. He did it for the sweet Mameaux.