Gaggle of sleet
A group of girls so trashy, they make your mom look good.
My sister's friends are a gaggle of sleet. They wear socks with sandals and eat out of the same bowl.
The girls in my gym class are a gaggle of sleet. They all talk at the same time and wear the same outfit.
That gaggle of sleet at the restaurant is so trashy, they left a mess and a tipped-off waiter.
xs