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A small or worthless amount.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Slang. the least amount: not worth diddly.
[1960–65, Amer.; probably euphemistic shortening of diddlyshit]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||doodly-squat - a small worthless amount; "you don't know jack"|
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