slinja Share definition Flag A combination of the words slut and ninja. A girl who is known to be such a slut that her dick riding skills have reached that of a ninja Person 1: Ayo Makayla bout hot af Person 2: nah man you better watch out she a slinja slinja by EdRychwalski May 11, 2018 0 0 Get merch Get the slinja mug. Buy Now — $32.95 See more merch