Meaning : The backward escape of gases and unburned gunpowder after a gun is fired.
Synonyms : blowback
Meaning : A loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine.
Meaning : A fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path.
Meaning : A miscalculation that recoils on its maker.
Synonyms : boomerang
Meaning : Emit a loud noise as a result of undergoing a backfire.
Example :
My old car backfires all the time.
Meaning : Set a controlled fire to halt an advancing forest to prairie fire.