1. The act of rotating an avian creature through more than 90 degrees. 2. The act of extending the central digit of the hand with the intent to cause offense.
According to Wikipedia, the middle finger, long finger, or tall finger is the third digit of the human hand, located between the index finger and the ring finger. It is usually the longest finger. It is also called the third finger, digitus medius, digitus tertius, or digitus III in anatomy. In Western countries, extending the middle finger (either on its own, or along with the index finger in the United Kingdom) is an offensive and obscene gesture, widely recognized as a form of insult (colloquially known as “flipping the bird”, “flipping someone off”, or simply “giving the finger”). Recommended reading: 101 Ways to Flip the Bird, by Jason Joseph and Rick Joseph.
There are some occasions in this life you can lose the good education and everything you most want is to send someone to f*ck off. Well, it’s not a very classy thing to do, but is good for the spirit. Here is a great collection of “flipping the birds” gifs and others for you use when someone starts to bother you or send to some disaffection of yours. Use without moderation.