Top Definition
A bout of coughing caused by the accidental inhalation of food particles while eating. Although Muffin Lung does commonly occur when eating muffins, any food (especially those with a low moisture content) can potentially trigger it. Heavy mouth-breathers are especially prone to Muffin Lung.
Slow down there, champ, you don't want to get Muffin Lung!

Sorry I missed your wedding, I was stricken with Muffin Lung.
by Greeface February 07, 2010

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