come to a head
Meaning: You can say a situation or a problem comes to a head if it reaches a crisis point and dealing with it can no longer be avoided.
- The conflict between the company and the workers came to a head at the annual general meeting when some of the workers protested about their conditions and wages.
- Phil and Sue hadn't been getting on well, and things came to head when Phil forgot to pick Sue up from work. They had a huge argument and now Sue's gone to stay with her mother.
After months of struggling to keep his job, the prime minister's problems came to a head and