blue light disco
noun Australian
An alcohol-free dance for young people, organized as a community project by police: you picked up your moves to use at the blue light disco...
- The next major incident I had with fire was at a primary school blue bight disco.
- That's the pink v-neck jumper I used to wear to the local blue light disco circa 1984.
- Such community activities as the blue light discos have now disappeared.
Origin
1980s: from the blue light on the roof of a police car.