Definition: Nod Also known as gouch, the drowsy, dream-like state produced by taking heroin. A to Z Index of Drugs: A B C D E F G H I J K L M N O P Q R S T U V W Z Search Drug Terms: You can enter any word or drug name above to seach the database (e.g. cannabis or trip) Ketamine is a clear liquid Full Definition of 'Nod' Also known as Gouch, the drowsy, dream-like state produced by taking Heroin. Go to Drugs A-Z homepage More Information Reducing Harm The Law And UK Drug Classifications How Do Drugs Work? Effects Of Drugs On The Brain? Drugs And Pregnancy Risks Snorting Injection Ingestion Smoking Drug Terms DAN 24/7 Contact Us About US Accessibility Policy Privacy Policy Disclaimer