Farmers Slang & Its Analogues. 18901909, rev. 2022.
Monkeys-money
subs. (old).1. Goods; (2) labour; and (3) words. Fr. monnaie des singes.
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1653. URQUHART, Rabelais, IV. 3. It was an original by Master Charles Charmois, principal painter to king Megistus (of France), paid for in court fashion with MONKEYS MONEY.