someone who says things said by others, meaning a person lacks the critical and analytical skills to process information
Definitions (粵典–words.hk)
語句
盲目咁跟隨其他人講嘅嘢、唔自己加以思考就向其他人重複自己聽返嚟嘅嘢 to repeat mindlessly what other people say, to "parrot", literally "people say something, and you also say it"