Over the top. Upscale, elite, expensive, top drawer, exclusive.
Fancy, extravagant. Epitomy of Extreme upper-class wealthy, jet setter.
Sometimes it can mean Snobby.
Epitimology: From the French exclamations: "ooh la la!" & "C'est chouette!"plus the -American
English word "sheesh!"(exclamation meaning "oh my goodness!") became she-shelala.
Can be used for masculine or feminine. (The 'she' does not imply 'her' nor
anything feminine, necessarily.)