Definitions by Gimley knows

mines of moria

When you are whipping your arse and your finger pokes through, "delving deeper than it should"

"Oh man frank, I just had the mines of moria in there."

"Really?"

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When you are whipping your arse and your finger pokes through the toilet paper, "delving deeper than is good"

"Oh man frank, I just went through the mines of moria"

"Really? That happened to me last week."

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