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A condition which occurs after one ingests potently spiced food, causing a caustic expulsion from the anus, making said person feel as if flames are coming from their GI tract. Can be used in polite conversation.
Tammy: "Gosh, where was Gigi last night? She promised she would meet us on this blind date my cousin Clem set up for us."
JoElle: " Bitch! Please! Didn't you get her text? After her friend Josefina's baby shower, she had a debilitating case of Flamus which, despite Balmex, and a tub soak, nearly got her a skin graft and a colostomy!"
by CDru September 03, 2013
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