An amusing road trip past-time.
The intentional, and often hilarious, mischievous brother of the speed limit demon.
Also the same general premise of freeway tag, just without the presence of people you actually like.
2. "Ah, flashed your brights.. that's gonna cost you another 30 seconds of sand-bagging, my friend.."
Nah, he was sandbagging.
Tim: "What the f**k has that got to do with anything? Don't start sandbagging!"