The idiom "hot air" refers to a situation or conversation that is filled with empty words, exaggerated promises, or unrealistic expectations. It can also describe someone who is full of hot air, meaning they are full of themselves and their own self-importance.

The idiom "son of a gun" is commonly used as an exclamation to express surprise, astonishment or shock. It's often used when something unexpected happens or when someone behaves in a way that is considered unacceptable or abhorrent.

The idiom "black out" means to lose consciousness or to become unconscious due to lack of oxygen, injury, illness, or other reasons. It can also refer to a power outage that causes the lights and other electrical devices to go off.

The idiom "bury the hatchet" means to end a conflict or disagreement, or to make peace between two parties who have been at odds. It suggests that the past is buried and forgotten, and that both sides are ready to move forward together in harmony.

The idiom "a raw deal" means to get an unfair or unjust treatment. It implies that someone has been treated badly or cheated by someone else, often without any recourse for compensation or justice.