Green’s Dictionary of Slang

peso n.

[Mex. Sp. peso, a coin approx. equivalent to $1]

(US) a dollar.

Show quotations
[US]B. Fisher A. Mutt in Blackbeard Compilation (1977) 150: Bankroll now is 275 pesos.
[US]M. Prenner ‘Sl. Terms for Money’ in AS IV:5 358: ‘Dollar,’ of course, is well represented. It is a [...] peso.
[US]E. Bunker No Beast So Fierce 220: He brought forth a condom swollen with beige powder [...] ‘An ounce.’ ‘You didn’t get a piece with forty pesos.’.