FYM
Acronym, "Fuck Your Mother." An insult, usually used to rebut.
-"...And I told them not that it's really not important, because it's just you." -"Oh, thanks. FYM."
By The Saurd Fysh's Geek Definitions
What's on your mug?
FYM
Fuck Your Mouth.
By Anonymous
FYM
Fuck you mean
What the FYM my car is gone.
By versace27
FYM
Acronym for Flex Your Macros #FLEXYOURMACROS !FLEXYOURMACROS
Person 1: How's that FYM life? Person 2: What's FYM? Person 1: Flex Your Macros! It's that new app that everyone is using!
By Flex Your Macros
FYM
FYM or fym means "fuck you, mate" usually used by british people.
"Mate, you being rude, fym"
By xana_toctoc