flunk out
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.
flunk
UK /flʌŋk/ US /flʌŋk/
verb 5
Definitions
verb
1
Of a student, to fail a class; to not pass.
He flunked math, again.
2
Of a teacher, to deny a student a passing grade.
Unsatisfied with Fred's progress, the teacher flunked him.
3
To fail any challenge
4
To shirk (a task or duty).
5
To back out through fear. (Commonly in the phrase 'flunk it', the 'it' referring to a specific task avoided; sometimes without specific reference, describing a person's attitude to life in general.)
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