An unusually tall person who is a bordrline deformity in one or more ways. long legs, large hands, an enormous head, a deep sasquatch-like voice, or being a stoner hunchback are all characteristics of the modern day ticwomp.
I just watched it, it's not so much a solid movie as a constant stream of really great scenes. As someone else pointed out, the best scenes in Snatch are pretty much just the whole movie.