That’s what a group of people who are going after their insurers on Katrina claims are calling themselves, according to this NPR story. (When you get to the site, press "Listen" for an audio link of about five minutes). A very good story that asks the question: which came first, the wind damage or the flood damage? They call themselves the Slingshot Group because David used a slingshot to slay Goliath. Of course, David also had one more thing besides a slingshot — a rock.