Meaning

2 senses
  1. (US)One of a group of legendary beings, known in parts of Connecticut, Michigan, and Ohio, generally described as small humanoids with bulbous heads who occasionally emerge from hiding-places to attack people.

  2. (Australia, US, derogatory, informal)A fool or idiot.

Origin

Compound of melon + head.

Compound of melon + head.

Wiktionary, CC BY-SA 4.0 · source

melonhead — meaning, examples, forms, synonyms | Krumeto