a type of electronic music with a strong steady beat, often played at parties where some people take harmful drugsSee related entries:Styles of musicCultureAcid house first became popular in the US in the mid 1980s and later in Britain. It was played especially at raves or acid house parties, which were often held illegally in large buildings or outdoors, and where drugs such as Ecstasy were often used.
See acid house in the Oxford Advanced American Dictionary