Ninka Share definition Flag A ninka is a ninja that loves waffles, frequently saves helpless girlies from Micheal Jackson and Jiffy Pops of Doom. Often hides outside windows. d00d! Lyke! Andrew is such a freakin' ninka! Ninka by Kati & MooMoo December 14, 2008 0 0 Get merch Get the Ninka mug. Buy Now — $32.95 See more merch