How To Swear In Sign Language Cards Have fun learning how to swear in sign language. These hilarious, educationally offensive cards are sure to keep you entertained for hours. Impress all your friends with your new found knowledge. If you ever need to insult someone without saying a word these 100 cards contain the best insults you can say with your hands. Each card shows a different swear word and how to perform each one along with a rating on how offensive they are. It makes the perfect gift for anyone looking to expand their knowledge of swear words and impress their friends. An ideal birthday or Christmas stocking filler.