"The TDI Marathon is on right now"
you get this disease when you suffer from frequent texting which leads to blurry eye sight and part of body where you keep your phone vibrates for no apparent reason.
Guy 2: I know! I got a T.D.I last night from Lauren!
tiny dickhead inside
This refers to people who drive like idiots, especially in South Africa.
It is another way of referring to street racers and other drivers who stick to the rear end of your car like glue when behind you and can not get away when they are directly in front of your car.
People with severe cases of TDI can usually be found driving the main roads of a town at night.