ninjury Share definition Flag an injury of unkown origin, thus being attributed to a ninja "Man check out this ninjury on my shoulder! how the hell did that happen?!""You got ninjured bad" ninjury by Oscarararararararara February 5, 2010 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug