From Longman Dictionary of Contemporary Englishcrash courseˈcrash course noun [countable] SETFAST/QUICKa course in which you learn a lot about a particular subject in a very short period of timecrash course in a crash course in Spanish
Examples from the Corpus
crash course• Talk about a crash course in the ways of the world.• We went through all the books, a crash course literally.• For a crash course on the subject, consider subscribing to an organic farm with a delivery service in your area.• He, for example, embarked on a crash course to get his state license to operate the plant.• Debbie White gave us a crash course on the Friday morning.• For Rufus this was a crash course in race relations and show business.• I felt I had joined an Out-in-the-Open University crash course in bird identification. 