"Facepalm" is a term often used to describe an expression of frustration or disbelief. However, there are many synonyms that can be used in its place. Some equivalent phrases include "head in hands," "eye roll," "heavy sigh," "smh" (shaking my head), "palm to forehead," and "face in hands." Each of these phrases expresses a similar feeling of exasperation or embarrassment. While "facepalm" may be the most popular term, it's good to have a variety of ways to express these emotions without relying on a single catchphrase.