crash course
A quick, intense course of learning, especially one which is informal or hurried.
He got a crash course in babysitting when his sister dropped off his nephew for the afternoon.
noun
A sudden, intense, loud sound, as made for example by cymbals.
The piece ended in a crescendo, building up to a crash of cymbals.
After the lightning came the crash of thunder.
An automobile, airplane, or other vehicle accident.
She broke two bones in her body in a car crash.
Nobody survived the plane crash.
A malfunction of computer software or hardware which causes it to shut down or become partially or totally inoperable.
My computer had a crash so I had to reboot it.
A sudden large decline of business or the prices of stocks (especially one that causes additional failures).
the stock market crash
A comedown from a drug.
adj
Quick, fast, intensive, impromptu.
crash course
crash diet
verb
To collide with something destructively; to fall or come down violently.
When the car crashed into a house, the driver was heavily injured.
After driving into a tree last week, grandpa's crashed into a deer this morning.
To cause something to collide with something else, especially when this results in damage.
I'm sorry for crashing the bike into a wall. I'll pay for repairs.
To hit or strike with force.
Roy Hodgson's side were dominant and fully merited the lead given to them when Eric Dier crashed a 20-yard free-kick high past keeper Igor Akinfeev with 17 minutes left.
Even the staid New York Times was gushing: “Rising to the glorious heights of his heyday, Babe Ruth, the Sultan of Swat, crashed out three home runs against the Pittsburgh Pirates Saturday afternoon but it was not enough."
To make a sudden loud noise.
Thunder crashed directly overhead.
Ellipsis of gatecrash.
We weren't invited to the party so we decided to crash it.
Friday night I crashed your party Saturday I said, "I'm sorry" Sunday came and trashed me out again