Assterburners 

When your asshole burns after taking a shit

Taco Bell gave Tom a serious case of the assterburners

Assterburners by ThatGuyWhoMadeThat April 29, 2015

Afterburners 

Hot smelly farts unexplainable because they immediately follow a toxic rat killing dump

Oh Jesus that stinks - I’ve got the afterburners

Afterburners by Quagmire Ton bastardo February 6, 2021