Typography is an ancient and precise art form. In the Middle Ages, clergymen spent decades painstakingly crafting the elaborate letters for medieval manuscripts. Today, people praise Helvetica, the art world's favorite typeface, and make fun of the joke of typography, Comic Sans. Graphic designers and artists with naughty senses of humor have come up with their own NSFW typefaces that would be perfect for a letter to your lover. Our list of The Dirtiest Fonts Ever Created is enough to make you blush. Just don't write to you mother with these typefaces.