fart string 

The imaginary bass string linking your arse hole and and bowel system. When breaking wind, this gives a pleasing bass like tone. A fart string remains in-tact on most heterosexual men, not the case for homosexuals.

Straight person commenting on homo: That guys fartstring has been well snapped.

OR

That guys fart string is hanging out of the back of his pants.

fart string by JackDaFlash June 1, 2006

string fart 

A string fart, much like a string bet in poker, when a player pushes a bet out and returns to their stack for more chips to push out adding to their original bet. A string fart is when you fart and another fart arrives in rapid fashion. This phonomonia can continue ad nauseam.

Darren was string farting as he walked to the shitter at the bar.

string fart by Sheronimo June 8, 2017

Fartstranglers 

Extremely tight trousers.

"God, I've put on weight. I used to wear these jeans 10 years ago, now they're a right pair of fartstranglers

Fartstranglers by gigliola May 2, 2014