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.

"Chew the fat" is an idiomatic expression that means to talk or chat informally, typically about non-work-related matters. It can also refer to indulging in leisure activities or simply enjoying oneself.

The idiom "get to the bottom" means to find out the truth or discover the underlying cause of something. It can also mean to completely understand or master a subject.

The idiom "show the door" means to dismiss or expel someone from a place or position of authority or responsibility. It can also mean to close down or shut down a business or organization.

The idiom "comes to the crunch" means that a situation or decision has reached a critical point where choices must be made and consequences will be felt. It can also imply that there is a sudden, intense pressure or focus on achieving something.