"Let the wookiee win" means that sometimes it's better to avoid an argument or fight, especially when you know that the other person is stronger, bigger, or more powerful than you.
Think about Chewbacca, the wookiee in the Star Wars movies. He's really big, strong, and hairy. If you try to compete with Chewbacca in a game or a fight, chances are he will win easily because he's just better at those things than humans are.
So, instead of trying to beat Chewbacca at something, it's better to just let him win or do things the way he wants. This way, you avoid getting hurt or angry, and Chewbacca feels respected and valued. In real life, this lesson can apply to many situations when you're dealing with someone who has more power or advantages than you do.
The phrase "let the wookiee win" reminds us to be humble, strategic, and respectful, even when we're not the strongest or most talented. It's a way of choosing our battles wisely and avoiding unnecessary conflicts. So, next time you're playing a game with someone who's better at it than you are, remember Chewbacca and let them win!