Mephedrone is a synthetic stimulant drug, also known as 4-methylmethcathinone (4-MMC) or meow meow. It is a derivative of cathinone and belongs to the family of psychoactive drugs called phenethylamines. Some common synonyms for mephedrone include drone, MCAT, bubbles, white magic, synthetic cocaine, and bath salts. The drug can produce feelings of euphoria, increased energy, and heightened sociability. It is often sold in powder or crystalline form and can be ingested by snorting, smoking, or injection. However, mephedrone is a highly addictive and dangerous drug, with potential side effects such as psychosis, seizures, and even death. It is illegal in many countries, including the United States and the United Kingdom.