Third-person singular simple present indicative form of yo-yo.(verb)
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Use "yo-yos" in a sentence
"If the AGW yo-yos get their way, we will all be freezing in the bloody dark."
"It isn't surprising that the NFL vigorously tracks down violations: Organizations that don't aggressively act to protect their trademarks can lose them just ask the makers of aspirin, escalators, or yo-yos, all trademarks that became generics due to common usage."
"The rings spun rapidly, rising and plunging like yo-yos."