The term "mook" is a slang word that has several different meanings depending on its context.
In some cases, it can be used as an insult or to describe someone who is foolish or stupid. For example, if someone says something illogical or makes a mistake, you might call them a "mook."
On the other hand, in certain communities and subcultures, particularly among young people, "mook" can also be used as a term of affection or endearment, similar to how some people use "buddy," "pal," or "dude." In this context, it's not meant as an insult but rather as a friendly way to address someone.
In addition, the word "mook" can also refer to a type of booklet or pamphlet that is often used for advertising or promotional purposes. These are typically small and contain information about a product, service, or event.