The Boss
His speedometer is indicating that he is traveling at 125 miles per hour
indicates that he is driving a Chevy with a powerful 454 cubic inch engine
sipping a cough syrup (sy-z-rup) concoction, usually prescription cough medicine with promethazine and/or codeine mixed with sprite and/or now 'n' later candies for flavor, which is an epidemic problem in some low-income regions as it is a cheap high/buzz
He is refering to the consumtion of alcohol, most notable of the brown color, such as whiskey,rum, or scotch