Definition from Wiktionary, the free dictionary
See also: flunkout
- (idiomatic) To fail to finish school, or a given subject, program or course, due to academic shortcomings; i.e., to have too many flunking or failing grades (marks).
- He flunked out of high school as a youth, but finished school later in life.
- (idiomatic) (of an educator or institution) To impose failing grades on (a student), often requiring a retaking of the course or academic year.