Heb-cat Share definition Flag A person in a state of being dull, but still cool.(Derived from the word, "Hebetude".) "Man, that dude is boring...""Ya, but *coool*. He be a heb-cat." Heb-cat by PinkSafire BlackDiamond November 17, 2011 0 0 Get merch Get the Heb-cat mug. Buy Now — $32.95 See more merch