KYS

A chemical compound of potassium (K), yttrium (Y), and sulfur (S). It is also called potayttirum sulfide. While it is commonly used as a noun, it can be used as a verb to refer to the process of creating it.

Guy 1: "Go KYS."
Guy 2: "Yeah, I was actually planning to do that later. I'll pass by the store and get the things I need."