Gen Alpha slang · Abbreviation
fs
Meaning
Fs is Gen Alpha slang for "for sure".
Where it came from
Wiktionary records it as texting shorthand for "for sure". Urban Dictionary lists ruder readings, but "for sure" is the everyday one. No source gives an origin.
Tone check
Harmless agreement in almost every use.
Checked against: Wiktionary, fs.
Added to this dictionary 2 November 2026
Used in a sentence
"fs, see you there"
Safe for adults to use
Related words
Keep decoding
cooked lowkey
quietly in trouble
tuff
excellent, impressive
fancam
a close-focus edit of one performer or character
lowkey
somewhat, or secretly
valid
reasonable, fair enough, acceptable
and that's on
a phrase closing a statement as final
bet
agreed, or understood
npc
someone behaving without independent thought