She's achieved so many awesome accmplishments and now Oprah is adding another to her resume. We've heard Oprah Winfrey use the term "Aha moment" for years on the Oprah Show & now her catch phrase is in the dictionary.
 
 
What is an "aha moment? Oprah defined the term on YouTube. The phrase’s definition is “a moment of sudden realization, inspiration, insight, recognition, or comprehension.”