Green’s Dictionary of Slang

1. a supplement.

1923

J. Manchon Le Slang.

2. a newspaper colour supplement; often as colour supp.

2002

fluffyheliumflash posting at ParsleyWood.com 4 Apr. 🌐 its true merry. it was in the sunday times colour supp about 4 weeks ago. the employees are all treated well and look really happy. as far away from the evil microsoft dynasty as you can get.