And what a statement it is... we'll never think of toots / bottom burps / Dutch ovens the same way again.
But first, to the alleged 'fart' action, the unfortunate sound which just so happened to coincide with a side-eye avec sharp intake of breath from Karlie Kloss, a nose hold via Hailee Steinfeld, and a sudden loss in cabin pressure in Taylor Swift's joints, otherwise known as an 'oh-holy-crap knee buckle'. That or she heard the sound too and wanted people to think she had creaky knees - as opposed to a digestive system.
Anyway, here's the vine...