A fork of Rural Dictionary
When your asscrack itches for any number of reasons, and you have to itch it through your pants, thus leaving a small shitstain on your underwear.
“Man, my ass was itchin this morning from last night’s Mexican food. Left a chocolate skid mark because i was in a meeting and couldn’t hit the bathroom!”
A skid mark head is when your head is really deformed and premature. Some examples of people who have a skid mark head are: Jason Vorhees,Characters from wrong turn or hills have eyes.
"Have u seen Berry. He has such a skid mark head."