The idiom "smell a rat" means to discover or suspect something fishy or wrong about a situation or person. It is often used when someone has found out that someone else has been dishonest or deceitful.

The idiom "blue-collar" refers to a person who works in physical labor or manual occupation, typically characterized by wearing blue-colored clothing.

The idiom "cup of tea" has a figurative meaning as it's commonly understood in contemporary language. It refers to inviting someone over for tea or to have a conversation with them.

"Slap on the wrist" is an idiomatic expression that means to give someone a light punishment or reprimand, often as a form of discipline. It can also be used to describe a situation where someone receives little or no punishment for their actions.

The idiom "dog and pony show" refers to a display or demonstration that is designed to impress or deceive others rather than providing useful information or genuine insights.