The term in question functions primarily as an adjective describing a lack of intelligence or understanding. While often used informally, it is generally not considered profanity. For example, referring to a decision as ill-advised carries a similar connotation without the potentially offensive implications.
Understanding the distinction between informal language and outright vulgarity is crucial for effective communication. Context, audience, and the potential for causing offense should always be considered. Historically, societal norms surrounding acceptable language have evolved, and words once considered mild can become offensive over time. Conversely, some terms previously considered taboo may become more commonplace. This fluidity emphasizes the need for ongoing awareness of linguistic conventions.