Backfire

/bakˈfʌɪə/
noun:
The sensation of pain one might find emanating from their behind whilst defecating, caused by one having ingested a particularly spicy meal the day prior to the defecation.

It feels like my back is on fire and it's my fault - I knew eating 2 pounds of delicious jalapeño dressing yesterday would end up backfiring and that I would end up experiencing horrid backfire.

by T90T89 March 09, 2025

Backfire

When extra gas accumulates in your tail pipe and the heat ignites it causing a small explosion resulting in snaps, crackles, pops, and sometimes flames.

"Dude it's backfiring!
"mY sUpRa BaCkFiReS sO iT mAkEs 800 hOrSePoWeR."

by Gapplebees June 13, 2023

Backfire

Similar to calling shotgun, but for the backseat instead of the front

"Shotgun!"
"Backfire!"

by @Hiphophead March 20, 2024

Backfire

When a man is fucking a girl and busts a nut in her and It shoots back out all over the man

I was fucking my girl then she backfired all over me.

by Fear oh May 20, 2016

backfire

Returning back to the originator of an action with an undesired effect.

Plenty of us overpay on loans to dig out of debt faster—but it can backfire.

by Toa Pohatu May 27, 2017

Hungarian backfire

When your peeing at a urinal and try to fart but shit your pants.

I was in qt trying to take a piss and was almost hit with a Hungarian backfire.

by hi!!!!!!!!:) November 12, 2022

Backfired Fart

a belch or burp

My friends an I have a backfired fart contest to see who can break the record for the longest and loudest backfired fart recorded in history.

by minnie555 January 26, 2010