air quotes
noun/ˈeə kwəʊts/
/ˈer kwəʊts/
[plural]- imaginary quotation marks made in the air with your fingers when you are speaking, to show that you are using a word or phrase in an unusual way, especially when it is not an expression you would usually use yourself
手势引号（用双手手指比画的引号，用以表示所用词语非常规意义）