flunk

Meaning

Verb

• Of a student, to fail a class; to not pass.
• Of a teacher, to deny a student a passing grade.
• To shirk (a task or duty).
• 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.)

Origin

• Alteration of funk, or perhaps a .