Originally Posted by gator
this is a case of where honesty is NOT the best policy!
But it is a case where application of the techniques used in the OP come into play. Try it like this:
She: Sweetheart, tell me the truth, now. Is my butt fat?
He: *looks her up and down slowly and appreciatively* Oh, yeah, baby, that ass looks Pretty Hot And Tasty
to me! that ass is PHAT, for sure.
*end of discussion.*
I am going on the assumption, of course, that most guys think most girls' butts look PHAT most of the time. And of course, your mileage may vary.