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Excessive cottonmouth due to the inhalation of the sweet sweet ganja.
"Dude, that last rip gave me hella butterlung."
by Devin H. September 30, 2005
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2
When the smell of buttery popcorn is so overwhelming that it seems to attach itself to your nostrils, mouth, and lungs. The smell seems to float around like a gaseous poison. This occurs most often at run down discount movie theaters with poor ventilation.
"Open a window! That stale popcorn is giving me a case of butterlung."
by Rocko780 March 16, 2016
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