Golden Retriever Q&A
No the Boston's ears are not clipped. No, you can not find a purebred Boston with droopy ears, only if they are a mixed breed.
Boston terrier puppies ears can drop due to teething or lack of calcium, not due to being a cross breed. You need to give your puppy a balanced diet with a good source of calcium as they are teething most of their young life & absorb what ever calcium they intake so to boost their calcium intake can be done by serving wombaoo puppy milk or other source of calcium.