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anthro blush bodily_fluids buckteeth chair comic dialogue embarrassed english_text erection furniture genital_fluids genitals glans granitemcgee hi_res humanoid_genitalia humanoid_penis lab_rat_(granitemcgee)laboratory male mammal murid murine nipples on_chair overstimulation penis precum rat rodent sitting sitting_on_chair solo speech_bubble sweat teeth text url whiskers