noun: (skiing) a freestyle skiing aerialist move involving grabbing the front end of one's skis on a jump in a pike position, similar to holding the large steering wheel of a big truck
noun: (cycling) a freestyle BMX move involving turning the bicycle handlebar 360-degrees, akin to spinning the steering wheel of a big truck to turn
noun: Alternative spelling of truck driver: person employed to drive a truck [A person employed to drive a truck, especially a tractor-trailer or other large industrial truck.]