One who keeps their status 'invisible' on instant messenger in order to 'screen' messages and/or avoid certain individuals.
Hey, Amy! Ping me when you're available to discuss the project, as I am chatting ninja today to avoid being distracted by other co-workers who are time wasters.
The act of sneaking food so that no one notices you.
Jason: At Michaels party I was a fiesta ninja because i was on a diet and i wanted no one to notice me take all those burritos.
Example 2: At night when my parents are sleeping i have to be a fiesta ninja or they catch me taking the twinkies!
1. The act of screwing over a friend by throwing your genatalia in the air while he is talking to a girl.
2. The only way lonely men can get women to look at them.
3. When a group of ninjas karate chop your ass in half with chopsticks, a bag of rocks, and a dull ice cream scoop.
1. WHY DID YOU JUST NINJA STRIKE ME????!!!
2. That must of been a lonely bastard if he ninja stricked around Becca.
3. Detective: How'd he die?
Cop: He got ninja stricked...
Detective: Holy Shit..
Something (person, unfortunate event) that comes out of nowhere and sucks the fun out of what you are doing.
Dude, the cover for the show is $7, I only have $5. Suck ninja!
He is stealthy, magic, majestic
that horse is like shadow ninja
A person of male gander who makes a somewhat fake rinse profile to meet women to just sleep with them only performing the Ninja sexual and then disappearing from their lives forever into the shadows.
All of a sudden, all of the local girls have become pregnant. Officers suspect an ultimate tinder ninja.
Aww girl I met a dude he talked the game but he’s in and out before youn know it proper minge ninja did Hess