The term 'Parisian Thugs' is often used to refer to the Apaches, a group of young people from Paris who were active in the late 19th and early 20th centuries. They were known for their wild and rebellious behavior, often engaging in fights and robberies. The Apaches were also known for their distinctive style of dress, which included colorful scarves and hats. They were seen as a symbol of Parisian youth culture at the time.