Commonly used by dental technicians in the laboratory it is a gypsum diluted in water that can be reused as a catalyst to set freshly mixed gysum (also known as plaster or stone)for a pour up or articulation usually urgent.
Guy 1: Dude, why are you walking so slow?
Guy 2: Ugh, I'm in a massive slurry man. My mum caught be masturbatingthis morning and I can't face going home.