Chasing the dragon is a slang term that refers to the act of smoking opium or heroin. There are several other synonyms for this term, which include "chasing the high," "chasing the dragon's tail," "hitting the dragon," or simply "dragon chasing." In many cultures, these terms are used as code words to describe the act of drug abuse without being too explicit. However, these terms should not be used lightly, as drug addiction can have a profound impact on an individual's life. If you or someone you know is struggling with addiction, it's important to seek help and support from a qualified professional.