The term 'CAUSES OF SOME BRAIN FREEZES' can be summarized by the five letter word ICEES. ICEES are a type of frozen beverage that is popular in convenience stores and fast food restaurants. They are made with flavored syrup, water, and ice, and are often served in a cup with a straw. The cold temperature of the beverage can cause a brain freeze, which is a temporary headache caused by the sudden change in temperature.