Birdbrain
Birdbrain noun - A silly flighty person.
Joker
Cite this Source
Joker and Birdbrain. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/birdbrain/joker
Birdbrain & Joker. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/birdbrain/joker>.
Joker or Birdbrain. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/birdbrain/joker.
Google Ngram Viewer shows how "birdbrain" and "joker" have occurred on timeline