My mom (and sometimes my dad) give tailgaters something to worry about, but my mom mostly and in a more risky manner. She'll just jump on the brake pedal for a second causing the front end of the car to sink to the ground and slow rapidly and then whack the gas for an opposite effect. My dad will just tap the brakes and keep slowing down until the person backs off.
In '08 or '09, we had a 2002 Ford Windstar (owned it from '05 to '09 pretty sure). I've posted it before, but an old lady at Grant's Farm slammed into us while we sat at a stop sign. The tailgate was bashed inward and there was a crater in the side of the bumper. Until my dad had a chance to take it in to the body repair, we just had to drive it around wrecked like that. Well, one time there was a person tailgating my mom (I wasn't here, just heard the story). The person was going insane and being a little goof trying to pass on the shoulder of the 60mph two lane highway, but she wouldn't let him because it would mean veering into the next lane a bit or else get sideswiped. She went onto the rumble strip to block the person, who just leaned on their horn freaking out. Finally, my mom slammed on the brakes. The person behind her, seeing the bashed-in tailgate, didn't come within 100ft of her after that lol.
And also, being reminded of dangerous car situations, my dad chases drunk drivers sometimes. One night in '08, he was on his way home from work long after dark (could have been as late as 1am). An older Buick veered into the oncoming lanes at his car and then reverted itself. My dad turned around and went after him while calling 911. There were very few cars out at that time, but it was still a huge problem. The Buick turned onto the interstate that circumnavigates St Louis (I-270) and my dad kept following. He followed it for probably as much as 25 miles down the interstate. One time, the car was driving on the right shoulder, veered across the entire 4-5 lane highway, and crashed into the concrete median barrier. The car went up on two wheels and there were sparks but it just kept driving. About two exits after that, my dad saw police lights coming from behind and hit the gas to get past the drunk guy. He then got off at the next exit and turned onto the opposite interstate direction. He saw the Buick on the shoulder with four police cars around it. He also looked at the side of the car and saw no apparent damage from hitting the wall, which doesn't really make much sense to me.
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