I didn't hear it properly so I could be wrong so take this with a grain of salt but I think it was

🐰: What do u want for your bday?
🐿: Back!
🐰: Back? Come..
🐰🐣🐿: *Start singing comeback home
🐰: Pretend you didn't hear that

— Ponyo 🍀🍊 (@fiq_D_flover) May 11, 2020