What Does "FS" Mean, and How Do You Use It? - How-To Geek
https://www.howtogeek.com/802342/what-does-fs-mean/
WEBJun 5, 2022 · FS can mean a few things, but it most commonly means "for sure." It's an initialism that essentially means "definitely" -- positively responding to someone's question or emphatically stating your thoughts. For example, if someone asks whether you're going to a party next weekend, you might say, "FS, I wouldn't miss it."
DA: 22 PA: 32 MOZ Rank: 3