I don't usually go to Neil Gaiman's site for new information about the war on terror, but he's got some anyway. While he was looking through the list of proscribed items, he discovered that ... (rotflmao) ...
It's okay to bring up to 4 oz. of personal lubricant on a plane.
I could speculate further about who made the choice to leave this off the list of banned liquids and why, but you're just as capable of that as I am. The question I have to ask myself at this point is whether or not I have the guts to print out the list, buy a bottle of lube and try to brazen my way through security when I catch my next flight Thursday.