Noun; strong interjective, usually referencing child protective services in the state of Georgia, which is under the Department of Family and Children Services. (DFACS). Often invoked in conversation during heated moments or as a sign of great disdain in which a parent has demonstrated ineptitude in regards to be a basic provider for their children.
Chuckford: "I can't believe my mom sent me to school as a kid wearing those potato sacks on my feet."
Rastafarian Billy: "Yeah, that is some straight up deefacks shit right there. Can't believe she got away with that."
Chuckford: "Yeah, I mean I knew Berkenstocks were popular, but that shit was child abuse."