Bride kidnapping is like a pretend game where someone takes a girl and says they are going to marry her without asking her first. But in real life, it's wrong and can hurt people's feelings and make them feel scared.
In some parts of the world, especially in Central Asia, some men don't think it's necessary to ask if a girl wants to get married to them. Instead, they kidnap the girl and force/convince her family to marry her off to the kidnapper.
It's important to understand that this is not an okay thing to do to anyone. Everyone has the right to choose who they want to marry or if they want to get married at all.
It's always essential to treat everyone with respect, and asking permission is always the right thing to do.