To experience a premature ignition of fuel or an ignition of exhaust gases, making a popping sound.
To fail in a manner that brings down further misfortune.
To fire in the opposite direction, for example due to an obstruction in the barrel.
An explosion in other equipment.
An explosion in the exhaust passages of an internal combustion engine.
A premature explosion in the cylinder of a gas or oil engine during the exhaust or the compression stroke, tending to drive the piston in the wrong direction.
To flare; to become inflamed.
To suddenly become extremely angry.