gut rencher

a fart that has been building up for hours, the pain of your gut is unbearable as this gigantic ass ripping fart is builing up. and suddenly the fart is realeased (this can take up to 10 to 30 seconds). the smell of it is so bad that some people in the room may throw up and in some cases people have been known to pass out at the revolting smell.

A Rencher is what people used to call people who use wrenches, back in the begging of the Industrial Age. It was a job title