Learn what "what's up with you sitting on the floor" means, when people say it, and how to use it naturally in English.

It means the speaker wants to know why the other person is sitting there.
From Collateral Hearts, Episode 6
Someone is asking why another person is sitting on the floor.
Use this casually with friends or family when something looks unusual. It can sound a little teasing or confused depending on tone.
Scenes unlock real expressions as you watch
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