flatulent explosion

A massive and devastating explosion in the seat of someones pants that was caused bu flatulence.

Johnny ate too much hot sauce, and now is having flatulent explosions, stinking up every room in the house.

flatulent explosion by Haldee June 2, 2018

explosive flatulence 

a fart so loud and volatile that the stench you just made makes cow shit smell like roses

DUDE!! Whats up with your explosive flatule---(deathly gasp)

explosive flatulence by James Lowe June 4, 2004