Fym is an acronym for Fuck Your Mindset. This type of slang is typically used within a
conversation among peers and teammates within
video games who are severely depressed or / are
mentally ill.
Ian:
I can't do this anymore man, this is too hard for me.
Peter: Man, shut your bitchass up and fym, that negative shit is ruining you from the
inside out.
Ian:
Sorry dude it's just been pretty rough with these recent matches.