Why is my daughter singing a song about picking her nose?

[c=#4C0073]she is legit singing🎤 picka picka nose. Picka picka nose. I’m gonna get in there n picka picka nose. Wipe wipe my hands. Wipe wipe my hands. The bad germs will be on there if I don’t wipe wipe my hands. 🎤[/c]