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alligator alligatorid anthro anus backsack balls big_butt bottomwear bottomwear_down butt butt_focus clothed clothing crocodilian detailed_anus erection genitals greyscale hi_res lizard looking_at_viewer male monochrome nirvana3 office pants pants_down partially_clothed penis presenting presenting_anus presenting_hindquarters reptile scalie solo spikes tail thick_tail traditional_media_(artwork)wide_hips