not mean diddly(redirected from doesn't mean diddly)
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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
not mean diddlyAMERICAN, 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.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012