the shape of a womens genitalia when protruding through her jeans or shorts. thus resembling the shape of a ninjas slipper.
by nortybollox October 24, 2009
Get the ninjas slippermug. a visible camel toe
by thenewkrew September 7, 2006
Get the ninja slippermug. by boondock saint79 January 24, 2010
Get the ninja slippermug.