not say boo to a goose(redirected from won't say boo to a goose)
Like this video? Subscribe to our free daily email and get a new idiom video every day!
not say boo to a goose
To be particularly shy, diffident, or timid by nature. Primarily heard in UK. My brother is a very sweet, warm-hearted man who wouldn't say boo to a goose. How can you suspect him of committing this crime? The neighbour's daughter is just the cutest little thing, but she won't say boo to a goose.