The Jacobins came to be known as sans cullotes. Sans cullotes means those without knee breeches
Jacobians were generally known as sans culottes whichnlaterally means those without knee breaches

The sans-culottes were the common people of the lower classes in late 18th century France, a great many of whom became radical and militant partisans of the\xa0French Revolution\xa0in response to their poor quality of life under the Ancien Régime.