verb

disgust or sicken (someone) with an excess of sweetness, richness, or sentiment.

a curious bitter-sweetness that cloyed her senses

become sickening,become nauseating,pall,become distasteful,become tedious,become tiresome,be excessive,sickly sweet,sugary,syrupy,saccharine,honeyed,oversweet,sickening,nauseating,disgusting,mawkish,maudlin,sentimental,over-sentimental,twee,over the top,OTT,mushy,slushy,sloppy,cutesy,cute,gooey,drippy,treacly,cheesy,corny,icky,sick-making,cornball,sappy