Definitions by Willyman555

SFS 

SFS is an abbreviation for ‘shoutout for shoutout’ mostly seen on Instagram stories. ‘Shoutout for shoutout’ means to advertise other people’s accounts and in return they’ll do the same.

Friend 1: sfs?
Friend 2: sure
Both: post each others @ on their stories

SFS by Willyman555 July 16, 2019