Coughing up an off collored(greenish brown)colloidal lump of sputum that looks just like a human fetus complete with umbilical cord .
Within a two week period we both coughed up a lung baby .
by Ralph Bunche June 3, 2006
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Someone that coughs consistently after each hit as though its their first time smoking.
"Damn John! You got some fucking baby lungs, quit coughing."
by ImaJerkTrick August 13, 2009
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