Answer: brainfreeze

AnswerCrossword Clue
BRAINFREEZE

Ice cream headache

BRAINFREEZE

Result of eating ice cream too fast

BRAINFREEZE

Result of eating ice cream too fast, possibly

BRAINFREEZE
Ice cream gobbler's woe
BRAINFREEZE
Cold discomfort, of sorts
BRAINFREEZEImpatient eater's ailment