rule 34 2014 43 animal genitalia animal penis ass bite cutie mark duo ear biting equine equine penis erection feathered wings feathers female feral friendship is magic fur grey background grey feathers grey fur hair cock looking down lying male mammal multicolored hair my little pony on side open mouth orange feathers orange fur pegasus penis precum purple eyes purple hair rule 63 rumble mlp scootaloo mlp shocked simple background straight surprise teeth two tone hair vein vulapa wings 2741709