Your on Snapchat, minding your own on business and then you get a DM with SFS in it – so, what the heck does SFS mean on Snapchat? Let's find ... 50GB of premium data, hotspot, North America roaming, ...

What does ‘sfs’ mean? SFS means ”shoutout for shoutout”. On Snapchat, this usually means that the person in question will mention your username in their Snapchat story if you return the favor.