tv. to quit; to give up. (From boxing, where a towel or sponge thrown into the ring indicates that a boxer has given up.) : The candidate who was exposed by the press as a former pickpocket tossed in the sponge in a tearful press conference. , I'm done! I'm tossing in the sponge!
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw-Hill Education.
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