Cloy (verb)

1. To cause disgust or revulsion through an excess of sweetness or sentimentality.
2. To become too sweet or excessive.

Origin:

Derived from the middle english word "cloien" meaning "to satiate, or to make sick with excess".

Examples:

1. The overly sweet candy cloyed his appetite.
2. The overly sentimental movie cloyed the audience's emotions.
3. The constant praise cloyed her and made her uncomfortable.
4. The constant attention cloyed him and he wished to be left alone.
5. The overly rich food cloyed his taste buds and he couldn't eat anymore.