'birdbrain' definitions:
Definition of 'birdbrain'
From: WordNet
noun
A person with confused ideas; incapable of serious thought [syn: addle-head, addlehead, loon, birdbrain]
Definition of 'birdbrain'
From: GCIDE
- birdbrain \bird"brain`\ n.
- 1. a person with confused ideas; incapable of serious thought.
- Syn: addle-head, loon. [WordNet 1.5] bird-cage Bird cage