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yo-yo

yo-yo [ yṓ y ]


noun  (plural yo-yos)
Definition:
 
1. toy with string wound on spool: a toy consisting of a long string wound onto a spool that is dropped and raised repeatedly using the force of gravity and momentum to unwind and rewind the string

2. fluctuating thing: something that repeatedly goes up and down or fluctuates between one extreme and another

3. offensive term: an offensive term that deliberately insults a person's intelligence or judgment ( slang insult )



intransitive verb  (past and past participle yo-yoed, present participle yo-yo·ing, 3rd person present singular yo-yos)
Definition:
 
fluctuate: to fluctuate between two extremes or directions

[Early 20th century. Origin ?]
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