Hard to manage, uncooperative, troublesome.
Hard, not easy, requiring much effort.
More generally, any car or truck that runs on pump gas, as opposed to diesel fuel, racing fuel, or a car with an electric motor.
One who gasses, or poisons with gas.
Something highly entertaining or remarkable.
A kind of hot rod based on production models from the 1930s to mid-1960s, stripped of extraneous weight and jacked up using a truck beam axle to provide better weight distribution on acceleration.