http://www.realsimple.com/work-life/etiquette/sticky-situations/common-phrases-avoid-conversation-10000001698308/print-index.html
basically, a list of more-tactful equivalents to typical snippy/stupid conversation awkwardness-inducers.
Ick, this is a list of weasly things to say.
I have fun with people like this.
I actually took a course on corporate communication, they recommending dumping all this crap and promoted something most of us here understand:
BE DIRECT.