Juicehead is a slang term used to describe someone who is addicted to steroids or other performance enhancing drugs. This word is often used in the world of sports and bodybuilding, but it is considered derogatory and offensive. There are several synonyms for juicehead, including roid-rager, needle fiend, and steroid addict. These words convey a similar meaning and are also considered offensive by many. It's important to be respectful of others and avoid using slang terminology that may be hurtful or discriminatory. In general, it's best to use more neutral language to describe someone's behavior or habits.