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Inner Spanktum (noun): The deepest bowels of the Spanktuary, sought out for utmost privacy and peace. Usually a bedroom bathroom.
1.) I had to go deep into the Inner Spanktum of my Spanktuary because the in-laws were over for dinner again.

2.) "I need somewhere to jerk off peacefully, they'll never find me in my Inner Spanktum."
by D Willy May 17, 2010
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