1:1 2010 ambiguous_species anatomy big_glans blue_and_white chart circumcised comparison digital_drawing_(artwork) digital_media_(artwork) disembodied_penis doxy e621 english_text erection flaccid foreskin genitals glans group half-erect hi_res how-to humanoid_genitalia humanoid_penis male monochrome not_furry partially_retracted_foreskin penis profanity reference_guide retracted_foreskin sketch small_glans small_tip tagging_guidelines_illustrated text the_more_you_know tight_foreskin vein veiny_penis

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