Any female (teen or grown up woman) who's UNUSUALLY close to her father. She's typically spoiled and bratty. Usually marries a push-over kinda guy that will treat her like her dad does. Any female who relies solely on daddy to pay for anything. Including rent, bills, ect. Where do you think the term "sugar daddy" comes from.
Daddy's girl: "I'm going to Paris this week wanna come?"
Friend: "No I have to work. I'm not a daddy's girl."
A phrase used to describe a female who is sexual with a man who fathers a child. Any man who has a child can use the saying as a "pet" name for his lover.
Come here baby. You know your Daddy's girl.