Designer girls

Usually describing materialistic girls that chase after guys that wear designer cloths. They are extremely arrogant and believe they are the best thing since sliced bread. They are known to be high level narcissists.

Wow Jimmy was talking to a bunch of designer girls and he got rejected because he wasn't wearing any Jordans.

Designer Girl

The term 'Designer Girl' describes a female that will only wear designer/high-end branded clothing.

"She only wears Versace, that girl is such a designer girl."

"You won't see me in Gucci, I'm not a designer girl."