not mean diddly

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not mean diddly

To not mean or be worth anything at all. I don't understand the first thing about computers, so these instructions don't mean diddly to me. Unless you give me something in writing, the promise of a pay raise doesn't mean diddly.
See also: diddly, mean, not
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

not mean diddly

AMERICAN, INFORMAL
If something does not mean diddly, it is completely unimportant. I have been playing this game for a long time and I know that one shot doesn't mean diddly.
See also: diddly, mean, not
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
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