(Appa is shedding and Aang and Sokka are playing with his shed fur)
Katara: Well, I'm just glad we finally have another girl in the group, because you two are disgusting.
Toph (walking up to Aang, Katara and Sokka): Excuse me, but does anybody have a razor? Because I have some hairy pits! (reveals Appa's fur under her armpits)