TV series example of the word

The Big Bang Theory Season 4, Episode 2
...that will ultimately backfire and cause me physical injury?
(1) The backward escape of gases and unburned gunpowder after a gun is fired
(2) A loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine
(3) A fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path
(4) A miscalculation that recoils on its maker
(1) Come back to the originator of an action with an undesired effect.
(2) Emit a loud noise as a result of undergoing a backfire.
(3) Set a controlled fire to halt an advancing forest to prairie fire.
(4) Have an unexpected and undesired effect.
(5) Have an opposite effect.
(1) However, just a few days later the aircraft suffered serious damage following a fire started by an engine backfire .
(2) Ironically it was a backfire , set to contain the prescribed burn, that was caught by unexpected wind gusts and roared out of control.
(3) A slight backfire on starting could burn the engine off the wing!
(4) Once the engine is running smoothly, a backfire can be dramatic
(5) As the landing gear was being retracted, he felt a slight hesitation and mild backfire with the left engine.
(6) If I got it wrong (not too often, thankfully) the motor would backfire and try to kick me over the handlebars.
(7) But that strategy will backfire , because nobody will take the Council's recommendations seriously.
(8) However, the wait-and-see policy could backfire if those players manage to secure contracts elsewhere in the meantime.
(9) And I heard this - it was a shot, but it sounded like a backfire .
(10) U2018It sounded like a backfire - and then somebody hooted and shouted to me to hop out of the vehicle as it was on fire,u2019 she said.
(11) This comes with the warning that this plan can backfire spectacularly.
(12) Down the road, this policy could backfire badly on the US and on the caretaker government.
(13) Since the ships were used to being heated up, a sudden blast of hot air on a cold engine could backfire the engine or even destroy vital components.
(14) On the battlefield, this engine produced a loud backfire when starting, instantly drawing enemy fire.
(15) I handled that okay, but it just so happened that a farmer was running a tractor nearby and managed to produce a loud backfire just as we reached the stream.
(16) That's when we lit a backfire , which the raging combination fire drew toward itself automatically.
(17) Deafening car stereos, honking horns and noises like gun shots ring out as hundreds of drivers deliberately make their car engines backfire .
(18) For both fires, portions of the barrens sample area were burned by the backfire flame while other portions were burned by a more intense headfire.
(19) My legs were JeIl-O when I walked away from them, and a passing car's backfire nearly stopped my heart.
(20) Yeah, I love how Cale's plans keep backfiring on him.
(21) The operation of the rotary engine means that it is not prone to backfiring on hydrogen, as conventional piston engines are.
(22) He goes on holiday to the beach in an odd little car that is constantly backfiring , and we follow him as he interacts with the other vacationers at a seaside hotel.
(23) Due to the uprising the plan has backfired on an epic scale.
(24) They ran into trouble in the centre of the city when the bus began backfiring .
(25) Fires were initially started as backfires to blacken areas adjacent to firelines.
(26) However, his plan backfired and he was hung for treason in 1606.
(27) Dave continued to tighten his screw till abruptly the engine choked, backfired and died.
(28) Most flame weeders on the market are the same ones used by fire fighters to set backfires .
(29) Their plan backfired , and soon the fire grew out of control and they fled in panic.
(30) Rork had already risked so much and his plans kept backfiring .
boomerang
rebound
boomerang
come back
fail
miscarry
go wrong
blow up in someone's face
The Big Bang Theory Season 4, Episode 2
...that will ultimately backfire and cause me physical injury?