1.Command given to ninja clans ordering them to withdraw from an area quickly, without a trace.
2.A phrase said you want to make a dramatic exit.
Tatsu: NINJA VANISH! *Foot clan retreats*
Dude: Right, I'll see you later then.
Other Dude: NINJA vanish! *runs off*
Secretly deleting your phone number from a girl's cell phone after you've had sex with her so she can never call you again.
Are you going to call Steve again?
I can't! My stupid phone deleted his contact information. Ah wells, I guess it wasn't meant to be.
When a guy or girl takes a handful of flour and throws it in their dates face back at their place and runs away while they are blinded
I didn't want to have sex with him so I pulled a ninja vanish and disappeared.
When a friend goes into hiding never to be seen for a period of time.
Leo: Yo, where'd Don go?
Michael: i think he ninja vanished this weekend.
When you get a solid fart
brewed up, fart into your cupped hand and throw it into your friend's face.
While performing said action, exclaim "Ninja, vanish!!!" in a loud, possibly Asian accented voice. While your victim is blinded by your noxious gift to the face, get the hell out of there like a ninja
As I got up from the couch, I managed to corral a solid fart
into my hand
and Ninja Vanish
Darla, escaping before she realized what had hit her.
When an individual flatulates in public and promptly flees the area prior to acknologement of the foul odor.
I had beer farts this morning at work, had to pull the ol' ninja vanish.
When a girl is about to cum pulling out and throwing sand in her pussy and screaming "Ninja Vanish." Then running out of the room.
I got laid last night, but i didnt like her so i pulled a ninja vanish.