Facebook shorthand for "I like this post, but I CBF to type an intelligent comment, so I'll just leave this letter here" ("F" supposedly standing for "follow(ing)", but you can make up your own mind).
FB POSTER: Miley Cyrus total #milf
COMMENTER 1: F
COMMENTER 2: Total failure?
COMMENTER 1: No, I'm following this post, fuckwit!
COMMENTER 1: F
COMMENTER 2: Total failure?
COMMENTER 1: No, I'm following this post, fuckwit!
F by Quizmaster 85 January 12, 2019
f by Nick_Aviafox February 20, 2019
Something one may say when something bad happens.
Ex; "Our team lost."
"F."
May be used if the person doesn't care enough to be sad.
Ex; "Our team lost."
"F."
May be used if the person doesn't care enough to be sad.
F by sallyfacestan February 28, 2019