Fantoptimistic Share definition Flag A combination of Fantastic and Optimistic. It is in the hopes that the outcome is better than good. It would be fantoptimistic for Missy to stay on if we have the extra headcount. Fantoptimistic by changzilla February 9, 2009 0 0 Get merch Get the Fantoptimistic mug. Buy Now — $32.95 See more merch
