Numbskull and Yo-yo

Yo-yo and numbskull are semantically related in limited topic. In some cases you can use "Yo-yo" instead an adjective "Numbskull".

Yo-yo noun - A person who lacks good sense or judgment.

Numbskull and yo-yo are semantically related in limited topic. Sometimes you can use "Numbskull" instead an adjective phrase "Yo-yo".