What's a crash course?

Related questions

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2. Where is John Green now?
3. What def stand for?
4. Do you have to pass your theory before taking a crash course?
5. What happened to Hazel Grace Lancaster?
6. Why did Augustus die in the fault in our stars?
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Tags

1. #intense
2. #rapid
3. #experience
4. #given
5. #resembles
6. #office
7. #diplomacy
8. #weeks
9. #definition
10. #first
11. #study
12. #crash
13. #course