yo-yo dieting

American  

noun

1. a repeated cycle of weight loss followed by weight gain.

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yo-yo dieting British  

noun

1. the practice of repeatedly going on slimming diets, and putting on weight in the interim

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Example Sentences

In the longer term, restriction also increases the risk of developing or worsening eating disorders, as well as yo-yo dieting.

From Salon

Also known as “yo-yo dieting,” weight cycling is characterized by metabolic adaptation to weight loss.

From Seattle Times

For example, a study published last month concluded that physical activity promotes health more effectively than weight loss — with the added benefit of reducing the health risks associated with yo-yo dieting.

From Seattle Times

“The study even states after the device is removed, weight gain occurred. This sets the user up for weight regain and yo-yo dieting, which is associated with heart disease and premature death.”

From Slate

But, in hindsight, she realises this was the start of years and years of yo-yo dieting.

From BBC