Okay kiddo, so you know how sometimes people use funny-sounding words that don't really make sense at first? Like, why would someone call a piece of bread "toast" or a long sandwich a "sub"? Well, "ham radio" is kind of like that.
A long time ago, in the early 1900s, people figured out how to use radio waves to send messages wirelessly. This was really cool, because it meant that people could talk to each other from far away without needing any wires or cords. But not everyone could use these radio waves freely, because big companies and the government controlled them and used them for important things like telegraphy and ship communication.
So, some people started experimenting with making their own radios that could use different frequencies of radio waves that weren't being used by the big companies or the government. These people were called "amateurs" because they weren't professionals, but they were really excited about playing around with radio waves and seeing what they could do.
Now, here's where it gets a little weird. At the time, the word "ham" was slang for someone who was bad at something, like a bad actor or a bad singer. But the amateur radio enthusiasts thought it would be funny to call themselves "hams" even though they were actually really good at using radio waves. It was kind of like a joke or an inside reference that they all understood.
Over time, more and more people started doing amateur radio, and the "ham radio" nickname stuck. Nowadays, it's just a normal term that people use to describe someone who enjoys operating a radio for fun, hobbyists, or for emergency communication. So if you ever hear someone talking about ham radio, you'll know it's just another name for amateur radio, and it's not about talking to pigs or anything like that!