"Chews scenery" is a phrase used to describe an actor who overacts and performs in an exaggerated way. There are several synonyms that can be used to express the same sentiment, including "hams it up," "goes over the top," "milks the moment," and "overemphasizes." Other related phrases that convey the same idea include "stealing the show," "hogging the limelight," and "making a spectacle." These phrases are often used to describe actors who are trying too hard to capture the attention of their audience, and can be used to express mild amusement or irritation at the overacting behavior.