Meaning

2 senses
  1. (countable, derogatory, informal)A mentally unbalanced, unpredictable person, especially one who displays aggressive behavior.

  2. (uncountable)A genetic sequence that inhibits terminal branching of the trachea and regulates dendrite pruning.

Origin

From head + case.

From head + case.

Wiktionary, CC BY-SA 4.0 · source

headcase — meaning, examples, forms, synonyms | Krumeto