Cluster Headaches aka Suicide Headaches, formerly Horton's Neuralgia.
How does one with Cluster Headaches explain to a non Cluster Headache person?
To be perfectly honest there are many I have heard over the years. From Suicide Headache, Ice Cream headache, Ice pic headache and more
It has been described as 30x more painful than child birth. Described as worse than being burned alive. Similar to being shot point blank and living.