We have no meanings for "know diddly" in our records yet.
1 People who know diddly about wizards don't like to give us their names.
2 She might know a lot about food, but she obviously doesn't know diddly about accessorizing.
3 They told him nobody else knew diddly either, and to get the hell back to work.
4 I don't think McBryde himself knows diddly squat about starship design, which is what he's been hinting at.
5 No one knows diddly about Ajax.
6 "No one knows diddly about the hair found in Estrada's throat."
7 'Cause you don't know diddly - squat 'bout espionage cases.
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