Three-Martini Lunch(redirected from Three-Martini Lunches)
Also found in: Idioms.
A byword for an expensive lunch claimed as a tax deduction for business purposes. For example, a company may take a client out to lunch but spend more than it otherwise would because of the deduction. The presumed prevalence of three-martini lunches led to an alteration of the U.S. tax code making only half of business meals deductible.
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