the last of a succession of irritations, incidents, remarks, etc., that leads to a loss of patience, a disaster, etc.: He has been late before, but this is the last straw.
Origin: 1840–50; after the proverb “It is the last straw that breaks the camel's back”
n. the final act or insult; the act that finally calls for a response. : This is the last straw. I'm calling the police.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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