There are several synonyms for the phrase "laid it on" which is commonly used to describe the act of exaggerating or using excessive flattery. Some of the possible synonyms include: buttered up, flattered, praised excessively, went overboard, went too far, heaped on the praise, exaggerated, overinflated, overstated, and hyped up. Depending on the context and the level of exaggeration involved, any of these synonyms may be appropriate. Whether you are describing someone who is trying to win favor or impress others, or simply exaggerating for effect, there are many different ways to express this behavior using a variety of synonyms and related phrases.