I thankfully haven't but it did remind me of a documentry i watched some time ago:
Cluster headache - Wikipedia, the free encyclopedia
The pain of cluster headaches is markedly greater than in other headache conditions, including severe migraines; experts have suggested that it may be the most painful condition known to medical science. Female patients have reported it as being more severe than childbirth.[4] Dr. Peter Goadsby, Professor of Clinical Neurology at University College London, a leading researcher on the condition has commented:
"Cluster headache is probably the worst pain that humans experience. I know that’s quite a strong remark to make, but if you ask a cluster headache patient if they’ve had a worse experience, they’ll universally say they haven't. Women with cluster headache will tell you that an attack is worse than giving birth. So you can imagine that these people give birth without anesthetic once or twice a day, for six, eight, or ten weeks at a time, and then have a break. It's just awful."
The only migraine ive had was mostly severe visual distortions followed by a day or so long very mild headache. I feel lucky, my brother used to suffer with migraines quite a bit when he was younger, they really do suck :(.