When one male of a large size with the nick name " Big Engine" is unexspectant of foul action that is coming at him , and his agressor "
Matt" taticaly get's infront of Big Engine' face and " Bare Ass Farts" while farting spreads his ass cheeks open and makes contact with the Big Engine's
head or face with a strong chance of fecies flying from
Matt's ass and landing on the engine.
While watching the Sheild
Matt backed his bare ass up and
spread his
cheeks and assed the engine. This is called
" Assin The Engine"