Okay kiddo, so a hot hatch is a special type of car that is small on the outside but big on the inside. It looks like a regular car that you see on the road, but it's designed to go faster and be more fun to drive.
Inside the car, there's room for you and your friends to sit comfortably, but the seats are designed to hold you in place when the car goes around corners and turns. The dashboard has all sorts of fancy gadgets that tell you things like how fast you're going and how much gas you have left.
Under the hood, there's a special engine that is designed to make the car go really fast. It's like a heart for the car, pumping out power so that it can zoom down the road. When you press down on the gas pedal, the car goes vroooom!
These cars are called "hot" hatches because they're meant to be driven fast and aggressively. They're also really popular with car enthusiasts who love to customize and upgrade them with fancy parts and accessories.
So if you ever see a small car that looks like it can go really fast, chances are it's a hot hatch!