the act of fucking a hoe so low key, no one knows about it.
treyvon: "yo my nigga, you and dat bitch lucy still fucking"

johnson: "my nigga keep that on the dl...but yeah we ninja boning."
by brodude101 January 11, 2017
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when you look at some one across the room with eyes almost squinted shut in true ninja style
the pug under the table thinks I don't see he's awake and ninja bone me
by nicole marris September 14, 2008
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