Me: Doctor, that fuck mark on my neck really hurts! Please get rid of it!
Doctor: How insulting! My name is Mark, and I cannot remove your tattoo!
Me: It's not a tattoo. It's from my girlfriend, dumbass.
A class of non-gang related graffiti/tagging left by a fuckwad. Often resembling the scrawl of a young child, fuckmarks are distinguishable from street art in that they posses a distinct lack of creativity and artistic talent in both style and message.
In many cases involving fuckmarks, the the fuckwad, when confronted may be delusional and claim to be a talented artist in another large city such as New York or Los Angeles.