brain freeze

brain freeze

noun Informal.
1.
Also called ice-cream headache. a pain in the temples and forehead brought on by quickly consuming very cold food or drink.
2.
a temporary lapse in memory; a sudden mental block.

Origin:
1990–95

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Dictionary.com's 21st Century Lexicon
Main Entry:  brain freeze
Part of Speech:  n
Definition:  a sudden feeling of pain in the forehead or temples, esp. when eating or drinking cold items, caused by the temporary narrowing of the arteries as a result of the rapid cooling of the hard palate; also called [ice cream headache]
Example:  brain freeze from the slushy
Dictionary.com's 21st Century Lexicon
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