shoot your bolt
shoot (one's) bolt
To exhaust oneself doing some task and thus struggle to complete it. Try to pace yourself—if you shoot your bolt now, you'll never make it through all 18 holes.
shoot your boltBRITISH, INFORMAL
If someone has shot their bolt, they have done everything they can to achieve something but have failed, and now can do nothing else to achieve their aims. The opposition have really shot their bolt; they'll never ever get any more votes than this. Note: This expression uses the idea of an archer who has only one arrow or `bolt' and is defenceless once he has fired it.