Top definition
Cigarette smoke byproducts that accumulate in the lungs of smokers.
<doctor> You've got quite a bit of lung dung buildup on both sides. The only advice I have is to quit smoking.
<smoking advocate> No way! That would be infringing on my civil rights.
by Mark Shackelford June 30, 2007
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2
clatty shit in the lungs caused by smoking council
that soapbar gave me the lungdung
by TUPPE June 04, 2016
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