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😅 A hidden joke 💎Nice one!
The flat-earther, even if the one you met should be more careful how he expresses himself, have at least a name. What do we call the people who think we live on a spinning ball. The balldiots? Or the ballievers? I am sure you have a great idea...

Actually. You can also walk around a spinning disc.
It is actually much more difficult to walk around a spinning ball than a spinning disc!
What do you think?