Snappy Comeback Thread

This post is for all of us who are heavier girls or showing early. We need an arsenal of things to say when those clueless and insensitive people gawk and say incredulously "you're ONLY that far along? Must be triplets! Wow! Due ANY day huh? What IS your due date?!" I can't stand it and I know many of us can't. So what can we say that shuts these people up????