WSG stands for “What’s good?” It’s a way to say hello and start a conversation on Snapchat. It is can also be seen as a way to make an inquiry between two individuals.
The shortform for Snapchat is “snaps”.
SFS on Snapchat means “Shoutout for Shoutout”. When used, it means a Snapchat user is looking for a little shoutout on your Snap.
The same acronym is also used on Instagram too, and it’s used to promote posts on other pages.
OTP abbreviation as a slang means “one true pair/pairing.”
PU in Snapchat is an acronym for Pop Up. Literally, this can mean “get on Snapchat and message me”.
SMG on Snapchat means “Social Media Ghost.” That is, an SMG is a person who either does not have any social media accounts or who has accounts, but does not post or otherwise participate.
SS on Snapchat means “screenshot.” Most times, you’ll see this acronym in a person’s Snapchat story when they’re asking their followers to screenshot (or to specifically not screenshot) a post.
MK on Snapchat is “Mm OK.” This slang is mostly used for saying yes, affirming a statement, or agreeing with an individual.
In most Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok text, SF means “San Francisco,” “Science Fiction,” “Sexual Fantasy,” and “Special Forces.”
ST is mostly used in place of “Something” on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok.
MFS stands for middle finger salute.” It is most often used in online discussions and text messages on the Internet to represent the phrase “middle finger salute”.
Typically, it is used to explain the act of giving someone the middle finger. That is, saying “f**k you”, “screw you” or “up yours”.
IG stands for “Instagram.” It’s a social media app where users can share photos and videos.
ATP is used on most Social media platforms and it usually follows its Urban Dictionary definition, and stands as an acronym for “at this point.
OTF is often used on most social media platforms and it means only the family.
XX means “two kisses.”
The 2x can be written in lowercase, sometimes they’re in uppercase, and sometimes a mix of both. As a general rule, an uppercase X represents a big kiss while a lowercase x is a light kiss (that is, a peck).
However, “Xx” may not always mean a large kiss and a peck.
FTW on Instagram means for the win.
See also How To Reboot Snapchat.