A gentleman suffered thunderclap headache after eating world’s hottest pepper chilli “Carolina Reaper” while participating in a hot pepper contest. Over next several days he experienced brief episodes of severe headache. On examination, he had blood pressure of 134/69mm Hg and no neurological deficits. Imaging study showed unexpected multifocal luminal narrowing in brain blood arteries, consistent with vasospasm. What is thunderclap headache? Thunderclap headache is characterized by sudden onset