What is hey boo meaning?

"Hey boo" is an informal way to address someone, usually used between friends or romantic partners. "Boo" can be used as a term of endearment and is often used to express affection or attraction. It can also be used to convey a sense of playfulness or lightheartedness. The phrase "hey boo" can be used to greet someone, show interest in them, or simply express fondness towards them.