in. to lose one's money gambling or in the securities markets. (See also tapped.) : I'm gonna tap out in about three more rolls—just watch. , I really tapped out on that gold-mining stock.
in. to die; to expire. : Mary was so tired that she thought she was going to tap out.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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