flabadarious Share definition Flag 1. Nonsense. 2. Something so ridiculous it can only be described by an equally ridiculous word. 3. Awesome. "I listened to the boss detail his business plan this morning. Flabadarious." flabadarious by Tater Two Eyes November 9, 2006 0 0 Get merch Get the flabadarious mug. Buy Now — $32.95 See more merch