If someone tells you
about some new improvement to a program, you might respond:
"Feetch, feetch!" The meaning of this depends critically on
vocal inflection. With enthusiasm, it means something like "Boy,
that's great! What a great hack!" Grudgingly or with obvious
doubt, it means "I don't know; it sounds like just one more
unnecessary and complicated thing". With a tone of resignation,
it means, "Well, I'd rather keep it simple, but I suppose it has
to be done".