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Another slang for masturbating, pleasuring ones self or fingering.
May be used in conjunction with beating the pufferfish.
Person A: What are you doing?
Person B: Beating the pufferfish.
Person A: What the actual....?
Person B: You know, spanking the moonface.
Person A: Ah.... I'll leave you to it then.
by Tbell November 09, 2014
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