2. On the highway, when there is exactly one car on every lane, the cars are all aligned with each other going at the same slow speed, and the cars maintain this position (usually unwittingly) without having been forced to by traffic or other reasons.
2. "Goddamn it those four drivers in front of me be walling and I can't fuckin pass them. There's no cars within 1000 feet of them; it's almost like it's coordinated."
wall, meaning that you are always on their facebook seeing exactly what they are doing, it is a lighter term for facebook stalking; derived from punching the wall, or asking someone out also, therefore, you are the puncher, (the one who asks out) and your crush is the wall(the one you ask out.)
Person 2: nigga fuck you, you walling. That's all you, she was dropping it like its hot on you this morning, you think I didn't peep that. Lil bitch (big Sean voice)
You walling = you tripping, bugging, messing around.