A guy on YT actually tried it experimentally a few years ago (how many slaps, not how fast one slap); and it works to some degree! The main problem becomes to make a slapping machine that can survive long enough:

www.youtube.com/watch?v=LHFhnnTWMgI&pp=ygURc2xhcC…

I Cooked a Chicken by Slapping It

YouTube
YouTube is truly a wonder of stupidity. Sometimes in good ways
IDK, might be laying the groundwork for future kinetic cookers.