"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 26, 2009
Get the ninjaculatemug. 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 25, 2010
Get the Ninjaculatedmug. I earned my black belt in ninjaculation last night when I popped one all over Cindy's face while she slept.
by pseudomine September 8, 2011
Get the Ninjaculationmug. 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.
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 4, 2015
Get the Ninjaculatemug.