Top Definition
When one has severe constipation then goes to taco bell and eats a fiery hot double decker taco thus resulting in the build up a steaming hot turd inside your rectal cavity.
I shouldn't of eatin that taco bell today since im constipated, now i have a steamy ass furnace and might shart my britches like a british bitch.
by Freeze040506 February 08, 2009
5 Words related to ass furnace

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