Slang term for Barbiturates.
Barbiturates, such as phenobarbital and secobarbital, are any of various derivatives of barbituric
acid used especially as sedatives, hypnotics, and antispasmodics.
Barbiturates have largely been supplanted by Benzodiazepines (such as Valium,
Xanax) due to addictive potential, extensive
abuse, and severe withdrawal syndromes.