Don't confuse with "clUnker", an old car/machine.
Without searching on the internet, I wouldn't even know the context on the level of which decade or country. Fascinating!
There was also a safer revival of clackers in North America in the 90s, where the balls are attached to a handle.
Even now I've figured it's about AI, I still don't really get it. Is it supposed to be funny?
Re funny, I think the Onion does better https://theonion.com/ai-chatbot-obviously-trying-to-wind-dow...