Related Clues:

• Messed up
• Screwed up
• Blundered
• Failed miserably
• Erred big-time
• Missed a golden opportunity
• Let one get away
• Choked
• Utterly failed
• Messed up big-time
• Failed big-time
• Screwed up big-time
• Failed spectacularly to find mushroom
• Royally screwed up