Stuntski Share definition Flag (Noun) A person who usually pathologically lies, and typically does not follow through with their plans. That guy is such a stuntski! He told me he'd come through on Saturday, and never did! Stuntski by Xandar P. Wifflebottom July 22, 2009 0 0 Get merch Get the Stuntski mug. Buy Now — $32.95 See more merch