A slang term for a phony ninja. Ph from phony and inja from ninja, typically someone who fails in every aspect of life as compared to the standard ninja.
Ninja: I'm gonna jump that wall and take out those guards.
Phinja: I'm just gonna walk in and say "Hey Wassup?"
Phinja: I'm just gonna walk in and say "Hey Wassup?"
by thatguyyoudonotknow1234567 October 23, 2011
Get the Phinjamug.