The combination of the words "Slut" and "Cunt". Used to describe a girl who is simultaneously "serving cunt" and giving slut in the best way possible.
Could also be used to describe a thing that gives the same energy.
Person A: "Look at that girl over there. All those rich guys want her so bad."
Person B: "Yeah, she's giving slunt."
Sage green is such a slunty color.