virgin lungs 

First time smoker, when they inhale for the first time, they cough up all the smoke.

Here take a hit of this... COUGH UHHUGH... ah, virgin lungs!

virgin lungs by spencer miller March 8, 2005

Virgin lungs 

A first time smoker of the ordinary variety or ganja smoke.

Alonzo Harris (Training Day ) " Ha ha ha, virgin lungs .. man the fuck up, yeah, finish that shit, ha ha !"

Virgin lungs by Alonzo Glasgow March 25, 2009

Virgin Lung 

Someone who's never smoked anything in their entire life, not even cigarettes.

Guy1: *Smokin'pot* "Want a hit, yo?"

Guy2: "Uh, sure." *Takes a hit*

*COUGH SHITSTORM*

Guy1: "Hahaha, Virgin Lung!"

Virgin Lung by Jüdenhasser October 4, 2010