mephedrone
noun /ˈmefədrəʊn/
/ˈmefədrəʊn/
(also informal miaow miaow, meow meow)
[uncountable]- a drug, made from chemical substances, that affects people’s moods and makes them feel more active. Use of the drug is illegal in some countries.
甲氧麻黄酮，喵喵（一种化学合成兴奋剂，在有些国家属非法毒品）