Tre-Fo is a slang nickname for Winston-Salem, North Carolina. The reason 34 is the first two digits of Winston-Salem's inmate numbers is because it is the 34th prison district (which is the main reason Winston is called the tre-fo).
In North Carolina, tre-fo (34) is slang for Winston-Salem, which has the third biggest crime rate in the 4th largest city. Ironically, its also the first two digits of Winston-Salem inmate numbers
Joki Brown : Yo dude, where you at?
OC Wardlow : The tre-fo bitch, where the fuck else?!?
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.