The expression used when going for a sweet ass ride, or drive, in a vehicle with all your smokin' buddies && gettin totally ripped, doin crazy ass shit like dougnuts in snow &&ice. Usually sex follows, and food right after.
Person One (Of Asian Descent): WHAT UP?
Persons Two and Three (Of Hispanic Descent): BURN RUN THIRD PERIOD!
Persons Four Through Nine (Of Caucasian Ancestry): DUDE... DUUUUDE... ARE YOU SERIOUS?