Lung Butter

Phlegm. The thicker, the more yellow, the more flavorful, the better...I wouldn’t recommend spreading it on your toast though.
The worst part of being sick is hacking up a mouthful of lung butter when you have no place to spit.
by LeftCoastOriginal November 20, 2018
Get the Lung Butter mug.

Lung Butter

The mucus you cough up - usually in the morning after smoking excessivly the night before.
Good morning darling... Yikes! That's some serious lung butter you just coughed up.
by ChewingGin August 03, 2023
Get the Lung Butter mug.

Lung Butter

The viscous, yellow-green fluid coughed up after playing a reeded instrument for a prolonged period of time. Such as a clarinet or the bagpipes
Man 1: i played my pipes for three hours yesterday and had to cough up about four pounds of lung butter.

Man 2: dude that's gross why don't you just quit the band?
Man 1: because highlanders is life.
by Therealrothman November 25, 2016
Get the Lung Butter mug.