"Cut the crap" is an idiom that means to stop talking nonsense or bullshitting. It can also mean to stop doing something that is considered annoying, boring, or unnecessary.

The idiom "do one’s bit" means to contribute or participate in something as much as one is able or expected. It often implies a sense of duty or responsibility, and suggests that individuals should work together towards a common goal.

The idiom "does exactly what it says on the tin" means that something does exactly what is expected of it without any surprises or deviations from its stated purpose. It is a literal description of what the product or service is designed to do.

The idiom "blind spot" refers to a person's inability or unwillingness to acknowledge or recognize their own shortcomings, mistakes, or areas of weakness. It is often used to describe someone who is overly confident in themselves and lacks self-awareness.

The idiom "pros and cons" refers to the benefits and drawbacks of something, or the advantages and disadvantages of a decision or situation. It is often used to weigh the options and make a more informed choice.