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
When the moon hides half its face like a ninja.
Jenna: Are you ready for the ninja moon tonight?
Niki: Yessssssss.
The challenge of having to piss directly into all of your partner's available orifices (mouth, nostrils, asshole, and pussy if they have one) while you're both blindfolded
Person 1: "Did you just sneeze piss?"
Person 2: "Oh yeah I got rusty ninja'd"
Semen that sneaks into the wrong hole
He had some ninja semen
a person who runs around and splashes people with puddles
guy 1: awww man, that puddle ninja got me
guy 2: he hasn't got me yet *splash*
both: fucking puddle ninjas
A gag on The Eric Andre Show. It's like American Ninja Warrior but better.
Guy One: Remember when Danny Brown walked through soiled underwear on Rapper Warrior Ninja?
Guy Two: Man, that was nothing compared to A$AP Rocky walking on mouse traps and getting shoved into a kiddy pool!
When diarrhea or mexican food sneaks up on you at a random time.
Boss: "Why weren't you at work Bob?"
Bob: "Well I was at my daughters play then i got a case of ninja shits."