Disaster of epic proportions singular noun
The noun "disaster" can be substituted by "catastrophe" without changing the meaning.
Used to indicate a terrible or calamitous event which causes destruction, suffering, or death on a large scale
The Covid-19 pandemic must be responsible for an unprecedented disaster of epic proportions.
Lacking of fresh water is a disaster of epic proportions which many countries in the world are facing.
The spread of waterborne diseases in the country caused a disaster of epic proportions.
To punish someone or something harshly
Once something has been done, you can do nothing but face the consequences.
White lie
Act in a way that is likely to cause problems for you
Plural noun: disasters of epic proportions
None
If someone has a cast iron stomach, they have a strong stomach that can digest unusual food and even bad food without being ill.
Jimmy must have a cast-iron stomach, when he drank milk with lime juice and felt perfectly fine afterward.