n.a sign (for victory); making a V with the index and middle fingers
同义词：V sign
英汉双解大词典
V-sign
1.
N（名词）
(in Britain) an offensive gesture made by sticking up the index and middle fingers with the palm of the hand inwards as an indication of contempt, defiance, etc (在英国手掌朝内表示不屑，挑衅等的)V字手势