noun
ice-cream headache; brain freeze; cold-stimulus headache
Medical term for the sharp headache triggered by consuming something cold too quickly. Commonly called 'brain freeze' in casual English.
アイスクリームを急に食べるとアイスクリーム頭痛が起きることがある。
Eating ice cream too quickly can sometimes cause an ice-cream headache.
Compound of アイスクリーム (ice cream) and 頭痛 (headache), a direct calque of the English medical term 'ice-cream headache'.