It's not an idiom. It means exactly what it says. "By all means" or "by any method necessary."
It's not an idiom. It means just what it says - every generation in the future.
It means that the person is giving you their full attention.
It is not an idiom, it means your nose is itching.
It's not really an idiom. It means "what are you thinking about."
It's not an idiom. It means the tip of your nostril.
idiom means expression like a page in a book
It means you don't understand something at all.
It means exhausted.
It's not an idiom - it means a cup with some tea in it. NOT your cup of tea, however, is an idiom - it means that something is not to your liking or preference.
The idiom is " all the bells and whistles ". It means, all the extras possible. For example, the new car came with all the bells and whistles. It was loaded with every option possible.
The idiom give their all means to do everything you can to accomplish a task.
The idiom your blood is boiling usually means that you are mad/furious.