It's thicker and more three-dimensional than a regular dollar sign ($), emphasizing the feeling of 'big money' or 'wealth.' Therefore, it's sometimes used to symbolize a very rich person, like a millionaire, or to imply a significant financial transaction.

This emoji is deeply related to the 'bling-bling' culture of flaunting wealth and success in American pop culture. Like the images often seen in hip-hop music videos or movies, it's used as a powerful symbol that goes beyond just money to represent success, ambition, and even the 'American Dream'.