from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A headache resulting from the rapid consumption of cold food or beverages.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun informal An unpleasant sensation or ache in the head experienced when biting into something extremely cold.


Sorry, no etymologies found.


Help support Wordnik (and make this page ad-free) by adopting the word brain freeze.


    Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.

  • Sensation experienced in upper head after ingesting a sufficiently large quantity of very cold food, esp. ice cream, or chilled beverage.

    November 20, 2009