give (someone) the bird
informal 1
US or flip (someone) the bird : to make an offensive gesture at someone by pointing the middle finger upward while keeping the other fingers folded down朝(某人)竖中指(中指单独朝上伸出的下流手势) 2
British : to loudly shout at, laugh at, or boo someone (such as a performer) in order to show disapproval喝倒彩;朝(某人)发嘘声