The idiom "cut off the head of the snake" means to eliminate the root cause of a problem or issue in order to effectively resolve it. This expression is often used to emphasize the importance of addressing the main source of a problem rather than just dealing with its symptoms. By removing the head of the snake, one ensures that the issue will not resurface or continue to cause harm.
Stay calm
An idiom is something that does not mean what the phrase says literally, so yes. You can't actually laugh your head off.
It means that you are the lowest of the low. You can't be any lower.
To turn completely around and head back in the direction you came from.
If used as an idiom, it usually means that you are confused about something. The image is of you scratching your head to try to think better.
The head person.
Stay calm
An idiom is something that does not mean what the phrase says literally, so yes. You can't actually laugh your head off.
"Dive in head first" is to rush into a situation without thinking.
It means that you are the lowest of the low. You can't be any lower.
To turn completely around and head back in the direction you came from.
Keep an idea in ones head to act on it later.
If used as an idiom, it usually means that you are confused about something. The image is of you scratching your head to try to think better.
A very severe headache, as if an imaginary axe is "splitting your head in two".
The idiom "a hot head" refers to someone who is easily angered or quick to become upset or frustrated. It implies that the person has a tendency to react emotionally or impulsively in challenging situations.
That means answering with the first thought(s) that come(s) to mind.
It means took a sharp implement and chopped your neck until your head was no longer connected. Do you mean the idiom "bityour head off"? That means yelled at you severely, usually for no good reason.