stands for "fake sleep", it is something you usualy do to fuck with and annoy someone, or to get them to leave you alone. can be done anytime and anywhere.
by shane941 March 27, 2007

by lalalalalalalalalalala May 9, 2004

by DirtyFrank27 June 4, 2010

“All Fs” is shorthand for “Five Figure Foolishness”. A high earning individual should use this term whenever a low earning individual expresses jealously or “hate” at the high earning individual.
(High Earner) “I just got a job making $150k!
(Low Earner) “That’s nothing. My buddy’s cousin makes a million dollars”
(High Earner) “Boy, you’re All Fs” aka “Boy, you are Five Figure Foolishness”
(Low Earner) “That’s nothing. My buddy’s cousin makes a million dollars”
(High Earner) “Boy, you’re All Fs” aka “Boy, you are Five Figure Foolishness”
by Aesop Jankins, QB June 18, 2022

what British girls put on their Snapchat story when someone’s doing they’re head in or they’ve missed something
by Sk8rshrek March 23, 2019

FS, Fallen Stars, Standoff 2
by K1N3D October 8, 2020
