The phrase "chew scenery" is often used to describe an actor who is overacting or being melodramatic on stage. Some synonyms for this phrase include "hamming it up," "chewing the scenery," "overacting," "milking it," "scene-stealing," "showboating," "trying too hard," "exaggerating," and "scene-chewing." All of these phrases describe someone who is drawing too much attention to themselves and their performance. While some actors intentionally use these techniques to create a certain effect or convey a specific emotion, it is generally seen as an undesirable trait and can be distracting for the audience.