I know heaps of people who had something similar with Palkia/Dialga with a Quick Ball (first turn of match), but that might have something to do with them having the same catch rate as Chatot...
I too have continued the habit, although all of my habits in Pokemon were made with me and my friend. One was simply looking away and turning off the sound, then looking back in a few seconds. My favourite was the critical hit chant that we had "Critical, Critical, Critical Hit!" (repeat until...