not 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.
See also: diddly, mean, not
Farlex Dictionary of Idioms.

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.
See also:
  • don't give me any of your lip
  • Don't give me any of your lip!
  • all in (one's) head
  • don't get me wrong
  • don't give up the ship
  • don't beat a dead horse
  • don't count your chickens
  • come it
  • come it (with one)