Top Definition
A marijuana smoker who smokes in Private, secret places, often perfecting skills to avoid getting caught or letting on to others that the individual is lighting up. Often a life style always looking for the next opportunity to toke. Often it is more so the thrill of sneaking a toke in than it is to get blazed, as a ninja smoker often tokes just enough to buzz.
pothead "dude i had no place to smoke last night"
ninja smoker "i ninja smoke in my mom's basement when i need a quick toke"
by fingertipsthedrummer September 17, 2007

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