The phrase "my eye!" is an exclamation used to express surprise or disbelief. There are several synonyms for this phrase, including "goodness gracious," "wow," "oh my goodness," and "seriously?" These phrases can be used interchangeably in informal settings when expressing emotions or shock. In some cases, they can be used sarcastically or humorously, depending on the tone and context. Other synonyms for "my eye" are "my goodness," "good heavens," and "oh my word." These expressive phrases can add color and emotion to conversations and help convey the speaker's feelings on the matter.