clen
n.— «Jackie Warner and fellow LA trainer Chad Mouton say more and more women are using the drug clenbuterol, a potentially lifethreatening steroid-like substance, to slim down ridiculously quickly. Legal only for use in horses—it was developed as an equine asthma treatment—its use in professional sport is banned in Europe and the U.S. But possession and purchase for private use isn’t illegal and “clen,” as it’s known, is frighteningly easy to buy over the internet. It was first used by bodybuilders who discovered it can burn fat while increasing muscle mass.» —“The size zero pill” by Rebecca Howard Daily Mail (London, United Kingdom) Oct. 9, 2006. (source: Double-Tongued Dictionary)