The idiom "couldn’t care less" means to be completely uninterested or indifferent towards something. It is a strong expression of disinterest, indicating that the speaker could not care less about the topic at hand.

The idiom "cut the cord" means to end a relationship, connection, or association abruptly or suddenly. It can refer to severing ties with someone or something, whether it be personal or professional.

The idiom "across the board" means to apply something to all aspects or situations, without any exceptions or limitations. It can also mean to implement a change or policy that affects everyone or everything involved.

The idiom "stack the deck" means to rig or manipulate a situation or game in your favor, so that you have an unfair advantage over others. It suggests that you are trying to stack cards or create conditions that will give you a better chance of winning.

The idiom "new kid on the block" refers to someone who is new or unknown, often in a particular place or context. It can also refer to someone who is different from others or who stands out in some way.