This idiom or expression has to do with:

Quitting, as in:
After only one week on the job he bailed out.

This idiom or expression means:

To quit an addiction.
To quit doing something that’s difficult to stop.

Isn’t it time you kicked the habit and stopped smoking, you moron?!!

This idiom or expression has to do with:

Giving up.

A. What happened to the new teacher?
B. Oh, she threw in the towel and quit after only two weeks at the school.

This idiom or expression has to do with:

Stopping or quitting something.

By now we know we’re not gonna succeed. We might as well call it quits now, before we lose all our savings!

This idiom or expression like sentence means:

I’m quitting.
I don’t want this job.