The act of driving on a highway with an open 24 ounce tall boy of beer in your cup holder. You have to be drinking this beer while driving.
24 is Jeff Gordon's nascar number so riding with a 24 is riding jeffry
Driver: *Pounds a 24 oz tall boy of bud with a dale junior add on it*
:Passenger: DUDE ITS A FUCKIN COOPPPPPPPPPPPPPPPPP
Driver: No worries man, I'm ridin jeffry
*flips switch, car flies home over cops*