rule 34 anthro ass avian balls bathroom beak belly big belly big butt bird canid canine casual nudity corvid corvus genus crow dialogue duo english text erection fart fart cloud fart fetish feathers fox fur genitals hi res hindpaw humanoid genitalia invalid tag male malemale mammal nude obese onomatopoeia open mouth oscine oversheep overweight overweight anthro passerine paws penis public public restroom red fox restroom stall size difference slightly chubby sound effects text toilet 4748332