Before visiting or moving to the USA or anywhere in the world, it is important to research how you can avoid offending anyone in the culture you plan to experience. Here is a list we created, to help you learn what words NOT to use in the United States and why. Hobo This is slang used to describe a homeless person. Nowadays saying it makes you sound insensitive and ignorant. Simply calling someone homeless is a much better approach. Retarded Unless you are talking directly a