nunja nunja Share definition Flag boobs; preferable big ones. originally nunja,nunja nunja is bigger than nunjas. add another nunja depending on how big. guy: i dont like her for her FACE,all i care about is getting some of those nunja nunjas! nunja nunja by taylor d June 11, 2006 0 0 Get merch Get the nunja nunja mug. Buy Now — $32.95 See more merch