Melonhead

noun, slang

noun, slang ·Common ·High school level

Definitions

Noun
  1. 1
    One of a group of legendary beings, known in parts of Michigan, Ohio, and Connecticut, and generally described as small humanoids with bulbous heads who occasionally emerge from hiding-places to attack people. US
  2. 2
    A fool or idiot. Australia, US, derogatory, informal

    "Uncle Gene turned toward Dad. "Let the melonhead laugh. We'll show him, won't we, pard?""

Example

More examples

"Uncle Gene turned toward Dad. "Let the melonhead laugh. We'll show him, won't we, pard?""

Etymology

Compound of melon + head.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.