First of all, kudos for bringing up Jasmine. Aladdin was a childhood favorite movie of mine but I didn't realize how erotic that scene was until a little later.
Second I would love to know the source of this:
I guess the whole point of the ugly bastard is that when you pair him with a beautiful girl, his ugliness makes the girl's beauty even more beautiful. But if the guy is too gross looking then that can ruin it.