Related Clues:

• Lays an egg
• Does not pass, so loses one's head and is sick of it
• Has to repeat, maybe
• See 1
• Doesn't pass
• Tanks, so to speak
• Does not succeed
• Holds back a grade
• Goes bust
• Totally tanks
• Gets an F
• Has to repeat a grade
• Needs repair
• Stops functioning
• Completely flops