Bingowings said:
Would he be 'Racey' if he called him "Fatty Boom-boom"?
No... but the movie would be SO much better.
On a side note, discounting the EU and the PT Chewie IS the only wookiee we meet. Perhaps he's a particuarly poorly groomed wookiee, and it's his hygene and style that she's insulting, not his race.