Pronunciation: [bɹˈas bˈɔːl] (IPA) 
The spelling of the phrase "brass ball" is pretty straightforward. The first word, "brass," is spelled with a short "a" sound as "bræs" in IPA phonetic transcription. The second word, "ball," is spelled with a short "o" sound as "bɒl." Together, the phrase means a ball made out of brass material. It's important to note that the spelling of this phrase may vary depending on the accent or dialect of the speaker.
The term "brass ball" is a colloquial noun phrase that refers to an idiom primarily used in informal or slang contexts. In its metaphorical sense, it describes a person who possesses great audacity, fearlessness, or assertiveness in the face of challenging situations or individuals. The term often highlights the subject's resolve to take bold actions, without succumbing to pressure or intimidation.
The word "brass" in this phrase conveys the idea of strength, boldness, or confidence. The use of "ball" represents an analogy: just like a solid brass ball, the person is perceived as unyielding and resolute, seemingly invulnerable to setbacks or obstacles. This phrase is commonly applied to individuals who are seen as having the courage to speak their mind, pursue their goals vigorously, or challenge conventional norms.
The concept of having "brass balls" implies that such individuals possess a level of self-assuredness and tenacity, willing to push boundaries to achieve their objectives. The phrase is often associated with qualities such as assertiveness, determination, and resilience. While it can be used in admiration to commend someone's audacity and perseverance, its usage can also vary depending on the context, as it carries certain connotations of arrogance or hubris.
In summary, "brass balls" refers to the figurative depiction of an individual's audacious and bold nature. It characterizes someone who fearlessly tackles challenging situations, displaying robustness and resilience in the face of adversity.
The phrase "brass ball" does not have a specific etymology, as it is a figurative expression. The term "brass" often denotes a bold or audacious nature, while "ball" represents courage or nerve. Together, they imply someone possessing a fearless or daring attitude. This idiomatic expression likely originates from the idea that brass, a strong and durable alloy, represents strength and resilience. Similarly, balls or spheres can symbolize confidence and bravery. However, it's important to note that idiomatic expressions like "brass ball" do not have a single, definitive origin, but evolve over time through usage and cultural influence.
