spacktardaloid Share definition Flag 1. A retarded spastic mongaloid.2. Someone with a serious syndrome.3. Matt Damon Hah! That kid shit his pants, what a spacktardaloid!! spacktardaloid by RowlandRat November 10, 2009 0 0 Get merch Get the spacktardaloid mug. Buy Now — $32.95 See more merch