Question is why did she kiss the floor?

Not kissing the floor, bot bowing her head. To show repect. I gather the girl who was beaten dis or said something disrepectful. And the shoe part, I'm surprised no one else mentioned it, shows humiliation. Remember Iraqis beating the statue of Saddan Hussein with shoes after it was torn down and dragged away by Coalition Forces?

is it just me or was the girl kinda teabagging her

wats tea bagging?

Oh no! She's been beaten, and then forced to bow down to her assailant!

accept your beating

She learned her lesson.