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.
by Gapplebees June 13, 2023

/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.
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 9, 2025

Refers to da often-moderately-painful experience dat follows an especially "heavy-duty" cough, burp, sneeze, etc. --- a small amount of stomach-acid will travel upwards into the throat and create an acrid burning sensation.
Shortly after consuming a large meal is one of the most notorious times for a bronchial backfire to occur; it's wise to have a large glass of water or milk handy to hastily swig from in case of mishaps like this.
by QuacksO June 13, 2019

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

by Fear oh May 20, 2016

by Toa Pohatu May 27, 2017

During foreplay with your woman, sprinkle some cocaine on her sphincter and ask her to fart. Sniff as hard as possible consuming all particles of poo and cocaine.
We were on rock in Soddy gulf, things were heating up. I sprinkled a little bit of snow on her rusty Sherriffs badge and she gave me the best Soddy daisy backfire of all time.
by DocNoland September 17, 2020
