Fittanto Share definition Flag Screechy voiced, whiny female who is best silenced by having a 11 incher placed into her mouth. That girl is such a fittanto. Someone shut her up! Fittanto by JRBPOSW-Muahhahaha May 8, 2010 0 0 Get merch Get the Fittanto mug. Buy Now — $32.95 See more merch