Muttsurini Share definition Flag A Japanese word that translates to "Ninja Pervert" when translated to English. "No! Muttsurini! All he wanted was to look up that girl's skirt!" Muttsurini by CabinofMiltonman January 17, 2015 0 0 Get merch Get the Muttsurini mug. Buy Now — $32.95 See more merch