adjective very stylish; unnecessarily ornamented; elaborate; fussy. Probably from French slang chichi (used of affected looks and manners) UK, 1967
sheesh
An exclamation of exasperation, vexation, or annoyance. A: "Tom? The boss wants to see you for a minute." B: "Sheesh, what does he want now?"Sheesh! I thought I would never get through all those math problems!
Sheesh!
(ʃiʃ)
exclam. Damn!; Shit! (A euphemism for Shit!) Sheesh! What a mess!