The idiom "on the blink" is commonly used to refer to something that is about to happen or is in the process of occurring. It can be used to describe a situation, an event, or even a person's behavior.

The idiom "yellow streak" refers to a person who is extremely cowardly or timid, lacking courage or bravery in situations that require them.

The idiom "backroom boy(s)" refers to someone who works behind the scenes or in a back room, usually performing tasks that are not directly related to the main business or operations of an organization.

The idiom "put the cart before the horse" means to do something in the wrong order or to make a mistake by jumping ahead of what should be done first. It is often used to caution someone against making hasty decisions or taking actions without considering all the necessary information.

The idiom "out of sight, out of mind" means that if something or someone is not visible to you, you will forget about it or pay less attention to it. It is a common expression that suggests that we tend to forget things that are hidden from our view.