To quit a job without anyone knowing. Be stealthy like a ninja. Just slowing pack up your stuff little by little and then never come back.
I hated that job so much that I had to ninja quit. Slowly packed up my shit and left my resignation letter in boss' letter tray.
by siamkittie March 24, 2017

by Ninja 1023 June 21, 2017

"Ninja Goth is a post-Millennial Gothic music production and fashion subculture. Ninja Goth blends introspective Japanese horror, music, and anime into a dark and minimalist aesthetic. Ninja Goths predominantly listen to Trad Goth, Industrial, Argotech, Dark Pop, EDM, EBM, and Lofi."
by Nu Goth Community December 14, 2023

by nicole marris October 24, 2008

James: Hey did you see Ninja's stream last night he got 20 kills in one game!
Mark: I know he is such a beast at Fortnite .
Mark: I know he is such a beast at Fortnite .
by mjamez20 June 3, 2018

The art of mysteriously and secretively tweeting multiple times whilst being fully engaged in a two-way conversation.
Bob: Bro, we've literally been talking this entire time and you don't even have your phone near you. How did you manage to tweet 15 times in the last 3 minutes?!
Mox: Two words my friend: Ninja-Tweeting.
Mox: Two words my friend: Ninja-Tweeting.
by maxamillianimus January 26, 2012

Inter-office mail that shows up out of nowhere. It just magically appears in your inbox and you have no idea who left it.
by badandy519 August 25, 2009
