Tectonic Fart Share definition Flag A small explosion between the legs, composed of vapourized poop particles that creates a shift in the Earth's crust. Brad's tectonic fart shook the table and knocked off a glass of water. Tectonic Fart by pork21 January 15, 2021 0 0 Get merch Get the Tectonic Fart mug. Buy Now — $32.95 See more merch