Ferpes

An extremely contagious, incurable type of blisters on the feet that look like herpes. Ferpes is accquired by taking your shoes off in public while not wearing socks, or touching the feet of a person who has ferpes. In extreme cases, you can catch ferpes by just looking at the feet of a person with ferpes.

As Megan took her shoes off in history class and wrapped her feet around the desk poles, the class was traumatized by the view of her festering ferpes.