We found one dictionary that defines the word have a bee in their bonnet:

General (1 matching dictionary)

1. have a bee in their bonnet: Merriam-Webster

▸ Words similar to have a bee in their bonnet ▸ Usage examples for have a bee in their bonnet ▸ Idioms related to have a bee in their bonnet ▸ Wikipedia articles (New!) ▸ Words that often appear near have a bee in their bonnet ▸ Rhymes of have a bee in their bonnet ▸ Invented words related to have a bee in their bonnet