half buck
- a half dollar; the sum of 50 cents.
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Also half-a-buck [haf-uh-buhk, hahf-] /ˈhæf əˈbʌk, ˈhɑf-/.
Origin of half buck
An Americanism dating back to 1945–50
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018