Pronunciation: [dˈʌz nˈʌmbəɹ ˈɒn] (IPA) 
The phrase "does number on" is often misspelled as "dose number one." Its correct spelling is /dʌz ˈnʌmbər ɒn/, with the first word pronounced as "duz" and the second word as "numb-er." The word "does" is the third-person singular present tense of the verb "do" and is used in this phrase as a verb meaning to deceive, trick or harm. The correct use of this phrase can help you communicate effectively and accurately.
The phrase "does number on" is an idiomatic expression that is primarily used in informal language to describe the act of inflicting harm, damage, or negative effects on someone or something. It is typically used to indicate that someone has caused significant harm or undermined the well-being or reputation of another individual or entity.
In this expression, the word "does" functions as a verb in the present tense, indicating the action of "numbering," which is a figurative term meaning to count or assess one's worth. The phrase is often used with the preposition "on" to denote the recipient or target of this action.
The phrase often implies a deliberate or intentional act of causing harm, but it can also be used in situations where the harm caused may be incidental or unintentional. It is frequently employed in colloquial conversations or informal writing to emphasize the detrimental consequences of someone's actions or behavior.
Example:
"John really did a number on Jane's self-esteem with his constant criticism."
"The storm last night did a number on our garden, destroying all the flowers."
"The hacker did a number on the company's website, causing it to crash and lose valuable data."
Overall, the phrase "does number on" conveys the idea of causing significant damage, harm, or negative effects on someone or something, often with lasting consequences.
