What is this?

FarmWife 🌾 • 2015 👧🏼 2017 👼🏼👼🏼 2018 👧🏼 🌈 2020 👶🏼
What does this look like to you? Her tongue almost looks like it's missing layers of skin. She said it hurt once which brought it to my attention, but hasn't mentioned it anymore and talks fine.