the vile stench that wafts through the air as the result of a fart
Ugh, there sure is a powerful shitwind coming from that bathroom.
Arr, matey, there's a shitwind a blowin'!
Slang term in the through-the-earth radio industry.
Low frequency electromagnetic interference that results in a noisy communication link and introduces bit errors in transmissions, i.e. the shitwinds
Markus: I can't read the text messages you transmitted
Andrew: That's because the shitwinds are ablowin'