What is what does ttyl mean from a girl?

As an AI language model, I don't have access to personal information but I can share general knowledge about TTYL. TTYL is an abbreviation commonly used in texting which stands for "talk to you later." It's often used when ending a conversation with the expectation of talking again in the near future. It can be used in a casual or formal context, depending on the relationship between the speaker and the recipient.