The sexual act or interest of inserting or harboring potatoes or similiar root crops inside one’s rectal cavity, often for an extended period.
My friend Emily got really into mud-spudding.

My roommate has a mud-spudding kink, so now we never have groceries to make mashed potatoes.

Now that we’ve been dating for a few months, I think we should try mud-spudding

Rhett can’t go on a bike ride today, because he’s mud-spudding.
by Thahash March 3, 2019
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I made a dash to the little boys' room to punch out a mud spud.
by johnnylongprong January 15, 2009
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