To dissappear or leave with out being noticed. Taken from the myth of Ninjas using smoke to dissappear. Used as either a noun or verb.
Will: Where did Laura go?
Rich: She totally ninja smoked outta this place. I never saw her leave nor did she say bye. Just the scent of smoke and some disorientation as she departed
The ability of an individual, through luck or planning, to avoid unpleasant situations, particularly those involving law enforcement or government bureaucracy. See also: American Sniper: The Autobiography of the Most Lethal Sniper in U.S. Military History by Chris Kyle, with Scott McEwen and Jim De Felice. 2012.