Ninja Snap 

The act of pretending to text whilst secretly attempting to take a hilarious picture of another student or teacher, resulting in a long period of outrageous laughing between you and your colleagues.

Dude 1: Oh my god, dude, did you see this pic I got of Charlotte?

Dude 2: HAHA! You ninja snapped her to hell!

Ninja Snap by theurbanduckling January 12, 2012

snapchat ninja 

a guy/girl that only talks to you on snap, but doesnt have the balls to talk to you in real life.

girl 1: how come ethan only texts me on snap? but doesn't talk to me in the hallways
girl 2:that nigga a snapchat ninja

snapchat ninja by weeweeweapon December 21, 2018

ninjaslap

Very similar to ninjapwn, it requires being a ninja. To ninjaslap is to bitchslap, chumpslap, and pwn all at once.

Soroush got free fries when he ninjaslapped that employee-lady at Whataburger, then brandon jackzored some of his free fries.

ninjaslap by Operator January 3, 2004