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2.
Someone whos always got an itchy ass
Friend 1: "Hey, mate how you got yellow fingers and you dont even smoke"?

Friend 2: "Because his hand is never too far away from his ass"!
by SlipperyP April 14, 2010
 
1.
Nicotine buildup from a chain smokers who do not wash their hands once they have smoked.
Have you seen Joe’s yellow fingers on his right hand? Yes, Joe is a chain smoker. The yellow is due to the nicotine from the smoke. That’s why we call him Yellow Finger Joe.
by Don Canright November 01, 2007