promwear means clothing to be worn at a prom. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From prom + -wear.
noun
- Clothing to be worn at a prom.“The lineup features rockabilly and rhythm and blues, and the audience at Tuesday’s concert at the House of Blues in the French Quarter, with nine hours of music on three stages, was dotted with women in vintage promwear and men sporting greased-up hair and flashy Western shirts.”