[ˈdɪdliskwɑt] and [ˈdudliskwɑt]
and (doodly-)squat
n. nothing. (Folksy. Originally black or southern.) : This contract isn't worth diddly-squat.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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