Oh trust me, if he thought this is an 'and chill' he won't be coming home early at all. It's a euphemism. I don't know WHY it turned into a euphemism. But it basically means 'inviting someone over to watch something, but you both understand that the point isn't watching anything'.

[He nods his approval at the tea as he takes out an extension cord and runs it to a plug before plugging in the laptop so he can show Balthier about the tech.]

I'm glad I meet with your approval. I wanted to go casual comfy, but pajamas seemed a bit too relaxed. Hope you can forgive my leggings though. Usually they're marketed to women, but fuck that. They're comfortable and don't inhibit movement too much.