What is Rollin' Coal?
1.
When your in a diesel truck and have the injection pump turned way up and you mash the throttle to overfuel the motor, thus making a cloud of black smoke until your turbocharger spools up. Best done in a 12 valve Cummins Turbo Diesel powered Dodge Ram pickup, as they are by far the best sounding and most reliable pickups built, plus, the pump is tuned with a screwdriver and allen wrench on the P7100 equipped engines. Also best done with a high dollar car behind you, preferably driven by an attractive female, homosexual male, city slicker, or tree-hugger.
"Hahaha dude did you see me rollin' coal on that stupidass tree-hugger in the hybrid Honda?" "Yeah dude, he couldn't see 20 feet in front of him"
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