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 19, 2018
Get the Lung Buttermug. by ChewingGin August 3, 2023
Get the Lung Buttermug. When a man’s genitals are fully inserted into an esophagus and ejaculation occurs into the respiratory system.
by Gnatnoop February 15, 2025
Get the California lung buttermug.