Frequently Activated Rectal Tremble Share definition Flag Reverse acronym for fart. Dude, Jorge has Frequently Activated Rectal Trembles. He smells like a pollcat. Frequently Activated Rectal Tremble by keifermail June 29, 2009 0 0 Get merch Get the Frequently Activated Rectal Tremble mug. Buy Now — $32.95 See more merch