Pronunciation: [ɑːɹ ˌɒn ˈʌp] (IPA) 
The phrase "are on up" consists of three words: the verb "are," the preposition "on," and the adverb "up." In IPA transcription, "are" is pronounced /ɑr/, "on" is pronounced /ɒn/, and "up" is pronounced /ʌp/. The spelling of each word is fairly straightforward, although the "a" in "are" may be pronounced differently depending on dialect. When put together, the phrase means that something is ascending or improving.
"Are on up" is a colloquial phrase that is derived from the verb phrase "to be on the up". It is a variation of the phrase "on the up and up."
The term "are on up" typically describes a situation or a person that is experiencing progress, improvement, or success. When someone or something is "on up," it signifies that they are moving positively or moving forward in a positive direction. It suggests a promising trend or development and implies an upward trajectory in terms of growth, advancement, or well-being.
This expression can be used to describe various aspects of life, such as personal accomplishments, career advancements, financial gains, or any positive changes or improvements. It often conveys optimism, hope, or excitement about the future.
For example, in a conversation, one might say, "I heard that John's business is on up. He recently secured a major contract, and his client base is rapidly expanding."
In this context, "are on up" signifies that the business is experiencing success and growth, indicating an upward movement in terms of profitability or market reach.
Overall, the expression "are on up" is an informal way to describe a favorable and progressive situation or an individual's positive trajectory. It is commonly used in casual conversations and can be applied to various scenarios where progress or improvement is being witnessed.
