Dictionary

double X en · NOUN

Etymology

From X, the Roman numeral representing 10.

Meanings

1. (US, dated, slang) Twenty dollars; a $20 bill.
   • “Hikes aroun’ wit’ a hundre’ an’ ninety bucks in ’is kick an’ won’t loosen a double X fer an ol’ frien’ what’s up again’ it? Why, dat guy ain’t got de firs’ idee about bein’ square wit’ a pal or librul wit’ an ol’ friend in de same line. An’—” 1916, Jack Lait, “The Canada Kid” (chapter 9), in Beef, Iron and Wine, New York, N.Y.: Doubleday, Page & Company, pages 178–179:

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