The meaning is in the name, it's when a coin is 'pumped up' in value by a celebrity or something else driving it, and then sold so that the creators can make profit. '$HAWK token' lost its buyers millions, and as the face of it, 'Hawk Tuah Girl' Haliey Welch was cancelled on social media.

Haliey Welch, colloquially known as the “Hawk Tuah girl” — I just imagined that, after she lives a long and happy life and peacefully passes away in 75 years, will “Here lies Hawk Tuah” be on her headstone? — has returned to the public eye after the launch of her cryptocurrency blew up in her face in an alleged “pump-and-dump” scheme.