Rule 34 Dev - 1boy anthro balls beard belly big_belly black_balls black_body black_fur black_nipples black_penis equid equine facial_hair flexing fur genitals grey_body grey_fur grey_hair hair hi_res horse locker_room male male_only mammal manlyster moobs moustache nipples nude overweight overweight_anthro overweight_male penis pubes sitting solo|5875239768