My nigga smoke with one lung
If he cough he might die, passin' me trees
The liquor bottle's almost empty

from Nas – Smokin' Lyrics on Rap Genius

Meaning

His friend is clearly in no state to be drinking or smoking but he doesn’t give a fuck; all about one life, live it to the fullest

To help improve the meaning of these lyrics, visit “Smokin'” by Nas Lyrics and leave a comment on the lyrics box