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definitions

fast buck

noun Slang.
  1. money made easily or quickly and sometimes unscrupulously: He speculated briefly in the commodities market in the hope of making a fast buck.

Origin of fast buck

An Americanism dating back to 1945–50
Also called fast dollar.
Related formsfast-buck, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Idioms and Phrases with fast buck

fast buck

Money made quickly and easily and, often, dishonestly. For example, He's all right, but his partner is just out for a fast buck. This expression gave rise to fast-buck artist for an individual, especially a swindler, intent on making money quickly. [Slang; mid-1900s] Also see easy money.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.