Top Definition
Rapidly rising blood sugar following sugar ingestion, followed by rebound insulin overreaction and resultant hypoglycemic symptoms eg dizziness aka 'sugar shock';
Reactive hypoglycaemia; Includes mental hyperinsulin hypoglycemia – 'sugar rush'
I drank coffee with five teaspoons of sugar and went into sugar shock.
by English Lecturer March 11, 2010

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A condition that occurs after the ingestion of excessive amounts of sugar, refined carbohydrates or other high glycaemic index carbohydrates. The net result of sugar shock is an immediate energy boost, only to be followed by a sudden drop of energy and fatigue 30-120 minutes later, usually worse than that experienced before consuming the refined sugar. Other symptoms can include sleepiness, hypoglycaemia and reduced mental acuity.
After eating that sweet dessert, instead of getting a boost of energy, I got a serious case of sugar shock, so I went home for a nap.
by Metabolism101 March 15, 2010

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