Just reading a different thread, I sae the expression, and have to ask - are people still using 'crochets' in their musical discussions? Is this just an English thing? Most of Europe? I thought this was an 18th and 19th century convention, long gone the way of the dodo bird.
In my ignorance and laziness, I find it much easier to refer to quarter notes and dotted sixteens rather than demi-semi-quavers. Reminds me of when we changed from an easily understood cycles per second (CPS) to Hertz (Hz.) My drummer still calls them "Z's", has a hard time remembering there's an H in front (but then, he IS a drummer...)