When one ditches a place so quickly, sometimes unbenounced to others, that you swiftly avoid any potential problem you may have just encountered, had you not evacuated.
Dylan instadipped from Wal-Mart upon spotting his ex-girlfriend in line there.
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.