Thai kickboxing - but with trucks.
Even the most aggressive drivers out there usually have enough sense to back off when their road rage incidents have them taking on a large bus or truck. Common sense dictates that you should let your ego go when the bigger guy can crush you like a bug. Lacking in such sense, this Thai driver tries to make a point to a semi-truck. Being a murderous ass himself, the truck driver does everything he can to ram the pickup off the road, regardless of what might be in his way.
Check out this kickboxing match on wheels. (Starts getting interesting around the 2:00 mark.)