crash course

American  

noun

1. a brief, intensive course of instruction, as to prepare one quickly for a test.

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crash course Idioms  

1. A short, intensive training course, as in Daisy planned to take a crash course in cooking before she got married. [Colloquial; mid-1900s]

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Example Sentences

It’s been a crash course for him, he said, on the often arcane laws that govern who gets to stay in America and who doesn’t.

From Los Angeles Times

Amit Segal’s smart and often hilarious crash course in Israeli political history.

From The Wall Street Journal

For tourists, she added, a wedding is the best crash course on the core elements of a culture: “The music, the food, the outfits, the clothes, what people believe about love.”

From The Wall Street Journal

“Every mission was a crash course in some other investing strategy,” he said.

From The Wall Street Journal

“It’s literally been a crash course in how to run a nonprofit,” he said.

From Los Angeles Times