Short for benzodiazepine.
The benzodiazepines are a class of drugs with hypnotic, anxiolytic, anticonvulsant, amnestic and muscle relaxant properties.
Benzodiazepines are often used for short-term relief of severe, disabling anxiety or insomnia. Long-term use can be problematic due to the development of tolerance and dependency.
They began to be widely prescribed for stress-related ailments in the 1960s and 1970s.
Often used by people doing LSD if they have to go to sleep fast during a bad trip.

any of a number of pills primarily used for treatment of anxiety; a controlled substance in most countries; some of the more well known benzos are xanax, valium, ativan, and klonopin

1) (n.) A triplicate narcotic medication that any and all forms of government with a pharmaceutical sophistication past that of the bronze age should be required by law to distribute freely to all of its citizens.

2) (n.) benzos have been clinically proven to cure AIDS, cancer, the ebola virus, and all STDs.

A slur for an insomniac or anxiety sufferer.

Derives from the psychoactive drug, Benzodiazepine, which is commonly used to treat anxiety and sleep disorders.

A benzo is another word or xanax which is an anxiety medicine but commonly Miss used to get high