Rule 34 Dev - anthro anus backsack balls bent_over biceps big_penis biped black_hair blush brown_body brown_eyes brown_fur butt butt_focus check_mark checklist clipboard clothing erection fishnet_clothing flaccid foreskin fur genitals glistening hair half-erect humanoid_genitalia humanoid_penis list looking_at_viewer looking_back looking_back_at_viewer male muscular muscular_anthro muscular_male nude penis perineum physical_list presenting presenting_hindquarters raised_tail rear_view solo spread_legs spreading standing submissive tail teeth text vein snapfang equid equine horse mammal 2014 english_text|2011771440