Top definition
When two people go to a public place to fuck, and no one heard or saw anything
Me and Laura went to the park. I totally ninja banged her, no one even knew
by katanainthestone May 22, 2009
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2
To have silent sexual intercourse on the floor with minimal clothes removal, as to avoid discovery of fornication. Usually done by people who still live with their folks or prudish friends.
Juan: yo, we gonna have to ninja bang today, mamacita, cuz my folks are in the next room
by gothaliciouswithcheeze February 13, 2014
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