I can't! My stupid phone deleted his contact information. Ah wells, I guess it wasn't meant to be.
2.A phrase said you want to make a dramatic exit.
Dude: Right, I'll see you later then.
Other Dude: NINJA vanish! *runs off*
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.