Possible Clues:

• Person who drops things
• Someone who drops things
• Someone always dropping catches
• Planning to drop the ball at a New Year's party? Try our ..
• Careless type playing with fire gets burnt
• I'm unlikely to catch bishop, say, with quantities of booze
• *Baker's digits?
• Clumsy person
• Befits grunter (anag) — not a safe pair of hands?
• Candy with an insulting name #3