Congratulations to your friend! "Ang pusa ko" means "My cat," and "kakapanganak lang" means "just gave birth." So, "limang kuting" must be the number of babies! "Lima" is the Tagalog word for "five," and "kuting" is the Tagalog word for "kitten." Therefore, your friend's cat has just given birth to five adorable kittens! Here's a suggestion for a congratulatory message: "Huge congratulations to you and your new furry babies! Five little balls of fluff must be so exciting!" Feel free to adjust as needed!