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Translate yo-yo into Spanish
1trademark in UK A toy consisting of a pair of joined discs with a deep groove between them in which string is attached and wound, which can be spun alternately downward and upward by its weight and momentum as the string unwinds and rewinds.
2North American informal A stupid, insane, or unpredictable person.
1Move up and down; fluctuate.
Early 20th century probably ultimately from a language of the Philippines.