The peace sign was originally designed in 1958 for the British nuclear disarmament movement by Gerald Holtom, a british artist. Since then the sign has become a symbol for peace worldwide. The symbol was designed to represent a person holding their arms out to the side in despair.
Since the design was created it has grown to mean much more than simply "nuclear disarmament." The peace sign has grown to mean overall peace and was adopted by the hippy movement in the 1960's as a symbol for their opposition to the Vietnam war.
Today you can find all kinds of people who have taken the peace sign and made it a piece of them as a stylized piece of artwork or simply a copy of the symbol as a tattoo. From the people who see themselves as the modern day hippy or a financial adviser who is "sticking it to the man", can be found with a peace sign tattoos.
If you're looking for a tattoo that symbolizes something, the peace sign is a great way to go. Though it was adopted by the hippy movement it is now accepted by a broad base of civilization and is not looked down upon in any way. If you'd like a certain style of peace sign tattoo it's important to suggest that you go see a professional tattoo artist who matches with your desired theme, style, or design. Also note that you should make sure the design is exactly what you want before getting inked. When looking for a tattoo design, the internet is a great place to look and you'll be able to find thousands of inspiration for your design.