Ninjaculation

The act of ejaculating on another person without them being aware of said act.

I earned my black belt in ninjaculation last night when I popped one all over Cindy's face while she slept.

by pseudomine September 7, 2011

ninjaculate

the act of ejaculating on someone without the person knowing.

"While Brody was sleeping I was asked by a friend to ninjaculate on his face, covering his whole mouth in my judo sperm.

by ninjaculator October 27, 2009

Ninjaculated

Ejaculating secretly in a public place with no one noticing

dude, my friend just totally told me that he Ninjaculated in his classroom. What do you think the teacher's gonna think when she finds out?

by -MV- November 23, 2010

Ninjaculate

To ejaculate in such a quiet or subtle way that your partner either barely noticed or did not notice at all.

girl: why did you stop?
guy: rolls off
girl: WTF. Did you cum?
guy: yeah
girl: I couldn't tell. That was quiet.
guy: Like a ninja. I guess i ninjaculated.

by Zublminal April 5, 2015