the martial art as practised by Ninjas characterized by lighning speed, stealth, skilled use of weapons, chivalry and so on. The art also involves committing harakiri in defence of on’s family or clan.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)