What is the definition of Estates Weapon?

An 'estates weapon' is a rather peculiar term, like calling a smartphone an "existential crisis" or a coffee a "liquid motivation." It's essentially a fancy way of saying something is used to maintain control, dominate, or oppress others within one's vast, often impenetrable estate.

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Here's a chilling example: "The CEO's estate weapon was the company's annual board meeting, where he would single-handedly dictate the company's fate, making sure no employee dared to question his questionable decisions."