You don't say "taxi"? It's just as short, starts with a consonant, not ambiguous, translates between cities, is obviously generic, doesn't give mindshare to a

You don't say "taxi"? It's just as short, starts with a consonant, not ambiguous, translates between cities, is obviously generic, doesn't give mindshare to a nasty company and contains the letter "X"... The only downside I can come up with is that "taxiing to" is more awkward to say than "ubering to". As Calvin says, though, "Verbing weirds language."