Meaning: The quote "She can't even chew gum and walk in a straight line, let alone write a book" by Liam Gallagher, a musician, is a metaphorical expression that conveys the idea of someone lacking basic coordination and skills necessary for a simple task, let alone a more complex one. This quote, with its humorous and exaggerated tone, serves as a critique or a dismissive remark about someone's abilities or potential.

In the literal sense, the quote implies that the person being referred to is so lacking in coordination that they cannot even perform the basic act of walking in a straight line while chewing gum, which is often used as an example of a simple, everyday task. By extending this to the idea of writing a book, the quote suggests that the person is deemed incapable of undertaking a much more complex and demanding endeavor.

Metaphorically, the quote can be interpreted as a commentary on someone's perceived lack of capability or competence. It is often used to dismiss or belittle someone's ambitions or efforts. The comparison between the seemingly simple act of walking in a straight line while chewing gum and the more challenging task of writing a book highlights the perceived incompetence of the individual in question.

Liam Gallagher, the musician credited with this quote, is known for his outspoken and often confrontational personality. As the former lead singer of the band Oasis and a prominent figure in the Britpop movement of the 1990s, Gallagher has been known for his sharp wit and unfiltered commentary. This quote reflects his tendency to express himself in a direct and sometimes provocative manner.

The quote can be seen as a humorous and exaggerated expression of skepticism or disbelief in someone's abilities. It may be used in a lighthearted or teasing manner among friends or acquaintances, but it can also carry a more dismissive or critical tone depending on the context in which it is used.

In a broader sense, the quote can serve as a reminder of the importance of not underestimating others based on their perceived limitations or shortcomings. It prompts reflection on the tendency to make assumptions about people's capabilities and potential based on superficial observations or preconceived notions.

Overall, "She can't even chew gum and walk in a straight line, let alone write a book" is a colorful and memorable expression that captures the essence of underestimating someone's abilities. It reflects the wit and straightforwardness often associated with Liam Gallagher and offers a playful yet thought-provoking commentary on the limitations we may place on others based on our own perceptions and biases.