mia and maria

Best friends who sometimes roll when they are happy

Hey do you see them girls rolling?
Yes, they are just Mia and Maria -ing, don't worry for them, they are happy.

maria and mia

A couple of besties who roll around in mud sometimes when they feel excited

Hey, do you know what these kids are doing?

Oh, they are just Maria and Mia-ing. They are perfectly fine, i guess.