GPS spoofing is when someone pretends they are in a different location than they really are by tricking GPS systems. GPS (Global Positioning System) is like a very smart map in space that helps us figure out where we are and how to get to other places.
So, imagine you are playing a game where you have to walk around to different places in the real world to find clues. But maybe you don't feel like walking outside, so you use GPS spoofing to make it look like you are in the right place even if you are just sitting at home. This means you are cheating, because you are not actually going to the places you need to in order to play the game fairly.
People can also use GPS spoofing to make it look like they are somewhere else for more serious things, like to pretend they are driving a plane or a ship somewhere that they are not really going. This is very dangerous because it can confuse other people who are relying on GPS to be accurate.
To summarize, GPS spoofing is when someone tricks GPS systems to make it look like they are somewhere else. It can be used for cheating in games or for more serious things like pretending to be somewhere you are not. However, it is very dangerous if it causes confusion or leads to incorrect navigation.