Top Definition
1. One who masterbates without anyone knowing.
2. One who masterbates & has never been caught in the act.
3. One who masterbates & no one has any idea they do so.
"Oh, don't worry about going into his room at any time, he's a ninjabator."
#ninjabation #masterbation #voyeurism #masterbator #ejaculate #cum #jizz #seamen
by Ejola October 14, 2012
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×