A person or creature with a cone-shaped head, or a type of grasshopper with a pointed head; also used as a slang insult for someone perceived as odd or unintelligent.
From 'cone' plus 'head,' a compound word that literally describes the shape of the head, popularized by the Saturday Night Live characters in the 1980s.
The conehead grasshoppers are actually super successful insects that lay their eggs in plants, and their pointed head shape helps them navigate through grass—it's brilliant design, not a flaw!
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