“Sunny is one of many unscrupulous individuals who are profiting from the huge surge in the popularity of mephedrone, a white powder more commonly known as “meow meow”.
The drug is cheap and gives a high similar to that of Ecstasy and amphetamines. It can be bought by anyone with access to the internet and a credit card.”
https://www.telegraph.co.uk/news/uknews/6679644/Meow-meow-Whats-to-stop-us-selling-legal-highs.html