The act of releasing a totally disgusting and gross fart without a sound. Hence the term, silent but deadly!
While watching TV, Carol cut a ninja fart that grossed out her boyfriend. Since there was no sound, she was able to blame the dog! Her boyfriend almost puked and the dog ran away!
A silent, yet super stinky fart.
I love to release my Ninja Farts just before exiting the elevator.
Silent, butt supremely smelly flatulence.
I love to release my ninja farts when I am standing on the diving board before a dive. It really fucks up the next competitor.
I also love to release my ninja farts while getting my salad tossed by a male prostitute.
A silent fart that someone sneeeeeks in after someone else has a noisy fart, so that everyone thinks the stink belongs to the first asshole.
Innocent Bystander: Ewww Kate, that fart is rank.
Kate: Nah, that's Dani's ninja fart. She been stinkin it up all day, cuza dat nasty hamachi
she be eatin.
Dani: Eh, heh heh. You caught my ninja.
Innocent Bystander: Ew Dani. Not cool.
1) when you are on Skype (or other voice chat services) and hit mute before letting one blow.
2) one of many random secondlife POP gesturbations
Bro, I just ninja farted.
<3 Ninja Fart Pop <3
The act of putting your hand over your butt, farting into your hand, closing your and entrapping the fart, and then throwing it into some one elses face like a ninja throws a star.
Samantha ninja farted Courtney!
To fart without hearing or feeling it. Often occurs when the person needs to use the bathroom to take a #2.
I was lying in bed under my covers and my ninja fart almost made me sick!