cloyer
/ˈkloʊɪər/Definitions
1. noun
one that cloyes; a cloying or nauseating person
“The overbearing presence of her aunt was a cloyer to the young girl.”
2. verb
to fill or satiate to excess; to satiate to the point of disgust or nausea
“The cloyer flavors in the dish made it difficult to finish.”