A highly dependable criminal assistant, as seen in the GTA: San Andreas mission, 'Robbing Uncle Sam.'
CJ: Where we going?
Ryder: Ocean docks.
CJ: How we get this van? It wasn't outside when I came through.
Ryder: My homie LB, he like a clockwork ninja! Real dependable. Unlike some of you motherfuckers...
CJ: Give it a rest man.
by Attitewd August 31, 2007
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A person who can be called upon when a technical or otherwise difficult task requires expertise. A clockwork ninja uses his own untraditional methods, but the result is still (usually) flawless.
from the game "Grand Theft Auto: San Andreas":

CJ: How can these cars keep appearing outside our garage when we need it?
Cesar: A friend of mine gets them for me.. im not sure how, he's a clockwork ninja.
(exact quote needed)
by jarmund June 5, 2007
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adj. one who can be dependably called upon to carry out various acts of questionable legality.
person_01: "Who we gonna get to pour sugar into that drive-way blockin' muthafucka's tank?"
person_02: "I'll get my bro, he always pulls shit like that off without question... a real clockwork ninja."
by zenmonk November 16, 2005
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