Assholes waiting at a light to turn left who decide to cut across oncoming traffic as soon as the light changes. And the real tossers that then decide to follow as if they are invisibly connected to the car in front. It *really* pisses me off sometimes when I see 4 or 5 vehicles pretending to be an 18 wheel truck. It especially seems to be a favorite tactic of SUV and minivan drivers - as if being 2 feet above everyone-else gives them special rights.