It's actually a slang word for tonsil stone. They form in your tonsils, completely harmless but you do form them and they're gross and they smell disgusting and yeah.
I was really annoyed because I could see the lung seed in my throat and I had been trying to cough it up all frkn day
by KawaiiMaster May 8, 2014

When you take humongous hits out of a bong, pipe, blunt, or joint and swallow it without choking or coughing !
by ChiefDub February 28, 2016

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.
Man 2: dude that's gross why don't you just quit the band?
Man 1: because highlanders is life.
by Therealrothman November 24, 2016

When a man’s genitals are fully inserted into an esophagus and ejaculation occurs into the respiratory system.
by Gnatnoop February 15, 2025

by Donny94 November 4, 2021

When you take in smoke then a regular breath and hold it till it’s completely diluted. When you blow it out it just looks like air.
I had to smoke inside so I was lung diluting it.
Johns mom walked in after he took a puff so he had to lung dilute it.
Johns mom walked in after he took a puff so he had to lung dilute it.
by Kameria November 7, 2020

by ANUNE_FAT988 March 17, 2022
