He had thought it was funny, until she hit him. He actually was still laughing at that bit, too, even if she had a good fucking punch - when the other man stepped into it. The moment he touched Angelina, George stopped laughing, and he would have stepped in to hit the bloke if Angelina hadn't punched him first.
The rest of the bar seemed to explode around them, then. Bar fights were pretty much the same in any country.