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1. smokers thumb
The inevitable callus that forms from smoking too many bowls with a bad lighter.
"This lighter fuckin' sucks! I'm gonna have a bad case of smokers thumb tomorrow..."
2. Smokers thumb
When you have a callus on the side of your thumb from lighting a lighter so often
Sam: doesn't it hurt to light your lighter so much?

Max: Naahh man I've got a smokers thumb
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