I was driving my daughter home last night and a SUV decided it wanted to nearly play chicken at a combined speed of probably 70mph. Dashcam video is dark, so I made a cute little picture (green car is me):

I thought at first they were going to cut straight across in front of me so I braked, hit the high beams, and honked all at the same time... when they started to turn TO FACE ME I cut to the right and they made a quick jerk of the wheel to make thier turn tighter, but they were still across the center line as we passed each other.

Luckily I was close to home and a fresh pair of boxer briefs.