Here's the link to Condi Rice's on-the-record background briefing coming into Israel.
Not a word about "settlements".
Tfoo-tfoo is an expression used while/after saying something from which one either needs protection or after one has just extricated oneself out of a tough spot or to ward off the Evil Eye, like:
"He dashed into the street after the ball but, tfoo-tfoo, luckily for him there was no traffic".
Arabs use it also.