A different form of the word slut, slute, and even sloot.
A sluht is a person, male or female, but usually a female, who is very loose, and puts out without struggle.
Sluhts usually get drunk and/or high before the party even starts, so they can be sure and get used only about 30 minutes in.
Wow, is she really already going to town on that guy? The party only started like 20 minutes ago. What a sluht...