"F'd" in the "A" Share definition Flag 1. Getting sexed from the ass. 2. Popularized by the best show ever: South Park. When Johnny got owned by Sally, Sally resonded with: "You just got "F'd" in the "A". "F'd" in the "A" by Dirtylolcat7546832946554gftr546v453453453 September 19, 2007 0 0 Get merch Get the "F'd" in the "A" mug. Buy Now — $32.95 See more merch