c.1525, "short bit of sarcastic writing, witty scoff," of unknown origin. If the meaning "small firework that burns with a hissing noise" (attested from 1530) is the original one, the word may be imitative.
n. a notice; a small advertisement. : There was a squib in the paper about your project.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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