The idiom "never in wildest dreams" means that something is extremely unlikely to happen or occur. It is a figurative expression used to convey the speaker's disbelief or skepticism towards a particular situation.

The idiom "up in the air" is a figurative expression used to describe something that has not yet been decided or determined, or something that is uncertain or unclear. It can also be used to refer to a situation that is being deliberated upon or discussed.

The idiom "fly in the ointment" refers to a person or thing that disrupts or ruins an otherwise pleasant or successful situation. It can also refer to a negative or unwelcome interference in someone's plans or activities.

The idiom "bird of passage" refers to someone who is temporarily passing through an area or situation, but does not have any permanent ties or connections to it.

The idiom "not the sharpest tool in the shed" is used to describe someone who is not very intelligent or smart, often with a hint of humor. The figurative meaning is that the person in question lacks mental acuity and may struggle to solve problems or make decisions.