Truck nutsとは 意味・読み方・使い方

Truck nuts, also known as truck balls, BumperNuts, BumperBalls, or truck scrotums, are accessories for pickup trucks and other vehicles. This trend began in the United States in 1998 and first sold on the internet in 1999. Truck nuts are used as a statement by the car, truck, ATV, and/or motorcycle owner to boast/amuse/shock him/her self and others. Truck nuts are installed at the rear of the vehicle in such a way that they are suspended in full view of motorists, motor cyclists, bicyclers, truck drivers, bus drivers, pedestrians, and others behind them.