Someone who is over 25 weeks into the Instagram of a person they fantasize, but will never end up with. Instaninjas must avoid liking pictures at all costs.
Guy 1: Dude, I went through that bitch's whole Instagram yesterday.
Guy 2: Bro, you're such an instaninja.
Guy 2: Bro, you're such an instaninja.
by KeepItReal💪🏾💯✔️ March 16, 2016