flip/give sb the bird
連載記事用のネタでお蔵入りになったものから。flip/give sb the birdの詳細はいいでしょう（？）Cambridge Idioms Dictionaryには"to make a very impolite sign by raising your middle finger towards someone in order to show that you are angry with them"とあります。例のジェスチャーのことです。さすがに連載には持ち込めませんでした。でも結構、使われているのですよ。（UG）
Weiner dodges sexting partner, flips the bird as he rides off
New York (CNN) – The now-immortalized final moment of Anthony Weiner's failed New York mayoral campaign was the candidate's middle finger directed at a reporter curbside as his car drove away Tuesday night.
CNN affiliate NY-1 captured Weiner flipping the bird on video as the candidate departed his primary election night party after delivering his concession speech, punctuating the end of his bizarre campaign and an odd evening.
なぜthe birdなのかの説明はこちらへどうぞ。
http://voices.yahoo.com/flipping-bird-origins-everyones-favorite-675306.html
