What we've got here is a failure to communicate, aka big rig road rage gone a little too far.
One of the lanes was closed ahead, so instead of treating it like a zipper merge, like most drivers would, this big rig driver decided to use his truck to block anyone from getting in front of him. At one point, he almost runs a SUV off the road, before flipping the driver off and yelling something, most likely a string of creative four letter words, at him.
What. An. Asshole.