N-COUNT 没头脑的人，傻瓜，愚蠢的人（尤指只关心无关紧要之事的年轻女人） If you describe someone, especially a young woman, as an airhead, you are critical of them because you think they are not at all clever and are interested only in unimportant things. 没头脑的人，傻瓜，愚蠢的人（尤指只关心无关紧要之事的年轻女人） [informal, disapproval]