Fucking A Share definition Flag The word "fucking" combined with the A of "ass". Usually used to show agreement, but sometimes used when in serious pain. 1. "Check out the ass on that guy!" "Fucking A! It's gorgeous!" 2. "FUCKING A! I stubbed my toe!" Fucking A by Jesus the Ragdoll August 1, 2003 0 0 Get merch Get the Fucking A mug. Buy Now — $32.95 See more merch