back it up, yo
I'm not exactly what you would call an aggressive driver, but I do like to play tricks on those fools who are. There's not much I do if people are cutting me off, no point in getting upset about it. And if I cut someone off, I can guarantee it was an accident, and I'll try to apologize to the person as best I can. But if someone's tailgating me, it's over. My favorite trick if people are too close behind me is the "Wow! My windshield is suddenly incredibly dirty!" trick. To do this, simply spray your windshield excessively with wiper fluid, and turn wipers on medium speed. Going down the highway, the wind will pick up the liquid and spray it all-over the windshield of the car behind you. I can't tell you how much I enjoy that moment of satisfaction seeing the person back off and flip on their wipers to clean off their window. I also enjoy the "tapping on my brake" trick, just enough to light the lights but not enough to slow me down. That tends to freak people out enough where they realize they're too close. And never underestimate the power of boxing people in: pace a slower car next to you so the person can't get around you. Really this just ends up pissing people off so they get even more aggressive, but it's worth the giggle, I think.