I seen - When you're so confused by someone's nonsense that you just

When you're so confused by someone's nonsense that you just stand there like a chicken with no head.

I seen you talk and I was like, ‘What planet are you from?’

I seen you act and I was like, ‘Are you trying to confuse me?’

I seen you do that thing and I was like, ‘Bro, I have no idea what's going on.’