"Over sweet" is a term used to describe something that is excessively sweet or cloying. If you're looking to mix things up with your vocabulary, you might try using some synonyms for this oft-used phrase. One alternative could be to describe something as sugary, saccharine, or syrupy. For a more whimsical approach, you could opt for descriptors like tooth-aching, candy-coated, or sugared-up. Alternately, you might also describe something as sickly sweet, which conveys a sense of decadence and indulgence that can be a perfect fit for certain occasions or moods. Whatever the case, there are plenty of ways to express sweetness without resorting to tired old cliches.