Top Definition
Where you take the massive, most painful shit, that is at least the temperature of the sun.

Even after you finish shitting it still feels like your ass turned into a volcano.
*Jake*: Dude did you ever get molten asshole?
*Andy*: Yeah dude that shit burns

*Jake*: I try to get toilet bowl water in there to cool it down
*Andy*: lolwut
by AndyJSwag March 08, 2014
6 Words related to molten asshole

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