The slow buildup of grease, ejaculate, pre ejaculate, urine, saliva, poo, earwax and bogeys on your computer screen as you accidentally dropped your monitor into the toilet then proceeded to do unspeakable things
Me: Bro check out my monitor butter
Bro: ok
The residue that's scraped off of used hotel sheets
I prefer my steak with a side of hotel 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.
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.
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.