Hailstones like golf balls
Having watched the Stormchasers series on tv sometime back, those are the small ones, hail precursor to an F3/4 tornado can be the size of apples, and with spikes, those can and do kill people! You wouldn’t want to be ground zero when these were falling…
Oh, and a banana is now the standard reference for any unit of measurement, length, breadth, width, height, etc.
BTW, my favourite is ‘mad as a bag of owls’. 🤪