Smoker's Stump
The scarred and mangled thumb of a pot smoker, caused by repeated burning from smoking out of a bowl along with scratches from a lighter's flint.
Ex. 1. Damn Ciotti has wicked smoker's stump.
Ex. 2. I was going to hire him until I noticed his smoker's stump
Ex. 2. I was going to hire him until I noticed his smoker's stump