Definitions by ticktokk

furnace anus 

The overindulgence of too many vindaloos (or other spicy food), too much cheap beer, or by incerting obects covered in tabasco sauce into the anus(see Mexican Starfish) causing extreme discomfort whilst taking a poo.

Too much spicey food could cause furnace anus

furnace anus by ticktokk April 20, 2014