birdbrain
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A silly or scatter-brained person.
Register: neutral
Sources & notes
Curated everyday-idiom list, site editorial 2026-07-30.
Common questions
What does “birdbrain” mean?
A silly or scatter-brained person.
Is “birdbrain” formal or informal?
birdbrain is generally neutral.