1. Individual who is stealthy in the act of taking photos of people's butt crack in public.
2. Mass Effect race, Human Male Infiltrator, runs around like a person on crack. The character can also be invisible like a ninja.
"George Clooney's crack was on TMZ thanks to the crack ninja."
"Dude, I'm running around this map like a crack ninja."
The beginning of ninja hour is signified by actions one attemps and succeeds where they would usually fail.
Brett just caught the pop bottle I threw at him behind his back! It must be ninja hour again
A very big fucking spider that runs like a fucking ninja
I just killed a fucking ninja spider
The ability to take out your neighbors bin without being seen,spotted or captured
How did you get the bin out without me hearing?
Are you a bin ninja or something?
This is the name that YouTuber CheetahNinja799 calls his is subscribers. Means that you are cool for the school.
Hey what is up all my speedy ninjas
A person (usually a hiker) who goes where they please, sneaking though the brush on private property to get to their destination.
David's a brush ninja, he cut through that farmers land to get to granite mountain.
A skilled master in the art of getting the Pootang .
Whoa bro, I didn't know i hang with a Pootang ninja. Can you me show your ways?