Sentence examples similar to a bangs from inspiring English sources

The phrase "a bangs" is not correct in English.
The correct term is simply "bangs" without the article "a." You can use "bangs" when referring to a hairstyle where the front section of hair is cut straight across the forehead.
Example: "She decided to get bangs to change up her look for the summer."
Alternatives: "fringe" or "forehead hair."