In some English speaking countries the backward V-sign is used as an insult
In many English speaking countries like the UK, Ireland, Australia, New Zealand and South Africa the peace sign (when displayed with the palm inward) is used when you want to insult someone. The also known as "The Longbowman Salute", "the two", "The Rods", "The Agincourt Salute", and as "The Tongs" in the West of Scotland and "the forks" in Australia, started long time ago as an insult and lately spread across the other countries.