Used after doing something that takes a lot of effort and/or time, also after doing some "hard work"
Also literally means after shooting your gun smoke flows from the barrel.
Commonly said as Smokin' from shootin'
Also the name of a My Morning Jacket song
1. Putting up those shelves got me smoking from shooting
2. Guy 1: Hey good job in the marathon!
Guy 2: Yeah it was hard, i'm smokin' from shootin'
3. My favourite My Morning Jacket song is Smokin' from