The Slutty Professor (2004)

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Professor Charmin Klump has stumbled upon a formula that increases the libidos of guinea pigs 1000%. If it makes them fuck until they drop... what will it do to her, or her lab assistant Brenda? This is all new, all anal feature comes to you from the sexually overactive minds of Gayle Wynand and Horny Henry, who brought you other Hollywood Video Classics like "Escape from Anal L.A." and "Caught From Behind 23."