Brain freeze, known uner many names such as cold headache, ice cream headache, shakeache, frigid face, freezie, Frozen Brain Syndrome, cold-stimulus headache, or its given scientific name sphenopalatine ganglioneuralgia is a form of brief, intense cranial pain or headache commonly associated with consumption (particularly quick consumption) of cold beverages or foods such as ice cream, slurpees, or margaritas.