fuckadoodle-doo Share definition Flag A blow-off term that is used when one does not care at all. I just won tickets to the Star Trek convention! Oh, fuckadoodle-doo! Who cares, dweeb? fuckadoodle-doo by staccato brainstem February 12, 2005 0 0 Get merch Get the fuckadoodle-doo mug. Buy Now — $32.95 See more merch