Acronym: Post-Traumatic Nut Disorder. When get so caught up in masturbating that you dont realize how disgusting the content is until after the nut.

When you eat dirt for the first time and leave your family to build a shack in the woods

Post traumatic nut disorder. As you finally cum your mind returns you to the cold, dark battle field of vietnam. You relive your friends of many years getting shot in the face, All while your hard dick is hanging out.