Yagyu rushes to defend her sister from Haruka's viscous oil rubs, but will the both end up slippery& wet?! Previous episode. Genital rubbing and the insertion of fingers or dildos he defined as mere acts of pollution, sins for which one could be absolved. Sinis- trari's definition of sodomy. (Yeh, ) The Chinese use the picturesque term, "mojingzi" (rubbing mirrors, or mirror grinding) to describe lesbian sexual behavior. The image of two flat.