Twee
British SlangDefinition
Affectedly quaint, cute, or sentimental; overly precious in a self-consciously dainty way.
Examples
"That village tearoom is lovely, but the mismatched china and bunting make it all a bit twee."
"The film started out charming, then descended into something so twee I could barely stand it."
"She’s going for vintage chic, but the pastel florals and cutesy slogans feel painfully twee."