When someone gets slapped across the face, in which a highly visible mark is left for anywhere from hours to days. Usually happens when parties clash. Basically getting tagged, only the "ink" is always red.
Guy: Damn Robin, what the hell happened to you?
Homie: I totaled my dad's car. Never seen him so steamed in his life. Got tattooed on the right cheek.
Peeps: Shit, looks like that ink's gonna stick around for a while. Lucky he ain't knock any teeth out your grill.