Oh good. He wasn't making a complete and total idiot out of himself by approaching her. Xander shot her an odd look when she questioned his wording and shrugged. "It's bad. But sometimes people can joke around with the word too, you know? Which was what I was doing, obviously. Because I really don't have a reason to call you skanky, do I? We just met, you don't look skanky, and all in all I think it's safe to say that you aren't skanky because you look like a very nice girl." Way to go, Xander. Just keep running the mouth.
So she wasn't American. But Xander was pretty sure that even the English knew all about skanks and such. "Time? Are you...out of your time?" Now that might explain a few things.