A particular slang used in Chicago which means you’re not associated with something, or you do not like it. It could be a person, place or thing.
Folknem means “I don’t fuck with that,” and the grave in the word means “on my grave.” Essentially you’re saying i don’t fuck with that, on my grave.
Guy 1 - “hey do you ever question your sexuality.”
Guy 2 - “oh hell no fam, folknemgrave! Miss me with that gay shit”
Guy 1 - “would you like to go to Taco Bell?”
Guy 2 - “folknemgrave, you know that gives peoplediarrhea right?”
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.