Possible Clues:

• Come too early out of the starting blocks?
• Start too quickly
• Act too hastily
• Be responsible for a false start
• Attack the piece and get an unfair advantage
• Act without due caution
• Start early -- bound to go before hunt, e.g., set out
• Bound, at that point, to arrest half of guys, but act too soon
• Act prematurely and clear article by Rod
• Start before then scoffing odd bits of grub -- go early