The creamy tan-gray stalactites that you cough up during strenuous activity. These throat boulders are actually congealed food particles that congregate behind your tonsils and conspire to damage your breath at the worst possible moment.

If pressed between fingers, the phlegm puff will produce a smell that is not unlike a fallen angel's anus. It has also been compared to what the inside of an old hobo's foot must smell like.
I was spotting Carl on the bench press when he coughed up a phlegm puff on his t-shirt.
by Motherhunter September 21, 2016
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