Meanings of mean diddly in English

And divisions don't mean diddly.

Sure, it's great for your cardiovascular health, but that won't mean diddly squat if your feet transform into swollen, blistered misery hooves.

It doesn't necessarily mean diddly-squat but we deserve to get through too, because of the sheer quality of our qualifying campaign so far.

Actually, we've already signed it, but that means diddly-squat until Parliament signs off on that.

The breakthroughs get a lot of attention, but attention means diddly-squat in the bigger picture.

Last year Owen Jones claimed in the Guardian that Magna Carta " means diddly-squat to average English subjects".