Gabbatonic Share definition Flag A catatonic-like state that a child achieves by watching multiple episodes of Yo Gabba Gabba. Man, he hasn't blinked in over an hour. How is he so quiet? He's gone Gabbatonic. Gabbatonic by Cpthowdy23 November 27, 2012 0 0 Get merch Get the Gabbatonic mug. Buy Now — $32.95 See more merch