Pen spinning is when you take a normal pen, like the ones you use to write with, and you twirl it around your fingers in a really cool way. It's like a magic trick with your pen!
First, you hold the pen between your fingers in a special way, like a secret handshake. Then you use your other hand to spin the pen around your fingers, like a merry-go-round. You can also do fancier tricks, like flipping the pen through the air or bouncing it off your body.
Pen spinning can take practice to get really good at, but it's a fun way to impress your friends and show off your cool hand skills. Plus, it's a good way to fidget and keep your hands busy when you're bored.