He hasn't done diddly all day. There's no point in asking ellen - she doesn't know diddly. The meaning of diddly is diddly-squat.
How to use diddly in a sentence. See examples of diddly used in a sentence. His advice wasn't worth diddly to me.
Us → another name for diddly-squat.. Definition of diddly noun in oxford advanced learner's dictionary. Oct 31, 2025short for diddly-squat.
They head down the mountain, back to base camp, and when they get there they don't say diddly. “i didn’t learn diddly from that lecture.” diddly: