Flunk (verb)

To fail or do poorly in a course of study or examination; to be expelled from school.

Origin:

From the slang term flunk out, meaning to fail, first recorded in american english in the late 19th century.

Examples:

1. She flunked her math test and had to take it again.
2. He flunked out of college and had to repeat the year.
3. They flunked the written test and had to take the driving test again.
4. She was afraid she was going to flunk her final exams.
5. He flunked the entrance exam and had to try again next year.