noun
the practice of repeatedly losing and regaining weight
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Yo-yo dieting, or the cycle of losing and gaining weight repeatedly, can have negative impacts on one's overall health.
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I'm so tired of yo-yo dieting, I just want to find a sustainable way to maintain my weight.
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Yo-yo dieting is such a rollercoaster, I can never seem to stick to a plan for long.
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Her approach to relationships is like yo-yo dieting, constantly going back and forth without any consistency.