flunkPronunciation: (flungk), [key]
to fail in a course or examination.
2. flunk out,
to fail and be unable to continue in: He flunked out of flight school.
to fail to get a passing mark in: to flunk math.
to give a failing grade to; remove (a student) as unqualified from a school or course.
a failure, as in a course or examination.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.