From Longman Dictionary of Contemporary Englishclued-upˌclued-ˈup British English, clued-in American English adjective informal KNOW somethingknowing a lot about somethingclued-up on/about Ask Margaret. She’s pretty clued-up about that sort of thing.
Examples from the Corpus
clued-up• If you can be just a little bit clued-up and not be Rastafarian with dreadlocks, you can not fail.• Other times, they sound like a more clued-up Tackhead. 