a crash course(redirected from crash courses)
a crash course
A quick yet thorough tutorial on some topic or process. I got a crash course in answering the phones before the receptionist went on vacation.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
crash course (in something)
a short and intense training course in something. I took a crash course in ballroom dancing so we wouldn't look stupid on the dance floor.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
A short, intensive training course, as in Daisy planned to take a crash course in cooking before she got married. [Colloquial; mid-1900s]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.