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a toy made of a pair of joined discs with a thick groove and a string attached to its center that swings up and down given enough momentum
What is a "yo-yo"?
A yo-yo is a small, round toy made of two discs connected by a rod, with a string wrapped around it. The goal of the game is to make the yo-yo spin by throwing it down the string and then bring it back up using the string’s tension. The yo-yo has been around for centuries, with origins in ancient Greece, but it became widely popular in the 20th century. Players often perform tricks by making the yo-yo spin in different ways. It is a fun and challenging toy that improves hand-eye coordination.
a person regarded as stupid, flaky, or behaving irrationally
What is the origin of the term "yo-yo" and how is it used?
Yo-yo is slang that emerged in mid-20th-century English to describe a person seen as stupid, unreliable, or acting irrationally. The meaning comes from the toy that moves up and down, suggesting someone who changes behavior, can't stay steady, or acts without sense. It's used as a mocking insult, often implying immaturity or lack of judgment. While not obscene, it is dismissive and usually meant to belittle.
