Acronyms dictionary SFS What does SFS mean? SFS is an acronym with a few different meanings. On Instagram, #SFS is a hashtag that indicates a user is looking for a shoutout for shoutout or spam for spam, which is a way to cross promote posts on the platform. In text and chat, it can be used in a number of ways to express a mood or state of being, such as so fucking stupid, so freaking stressed, or seriously funny shit, and is sometimes used to mean sexually frustrated ... uh oh. Examples of SFS Person 1: can't wait for summer Person 2: finals next week for me sfs! Then, sleep! Person 1: I told him to stfu Person 2: he's sfs, why hang with him? Some girls do so many sfs because no one willing wants to follow them on ig I feel, most of these sfs are pornstars so they’re getting horny ass dudes & not REAL supporters. @Faithmarone, April, 2018 SEE MORE EXAMPLES Just Added 4th of July, boogaloo, shelfie, ACAB, yeet Note This is not meant to be a formal definition of SFS like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of SFS that will help our users expand their word mastery.