What is ignoring a girl who rejected you?

As an AI language model, I can only provide general information. Ignoring a girl who rejected you may not be the best option as it can come across as immature and insensitive. While rejection can be difficult to handle, it is important to respect the other person's feelings and decisions. It may be better to move on and focus on other connections or friendships. It's important to remember that rejection does not define your worth or value as a person.