SYFM

Abbreviation for shut your fucking mouth

Jake:bro I'm so good at this game
Alex:SYFM bro no you're not

by Instilix August 7, 2025

SYFM

Short for 'shut your fat mouth' or 'shut your (bad word) mouth'. - Seriously, I'm not that vulgar like you!

Atlanta boi: Yo why your jeans be lookin like Oliver tree.
NY girl: Boy syfm, those jeans are so tight they fit a lamp post!
Atlanta boi: Gurl sybau you remind me of... what are they called again... them Glaze house girls, you white, have tiktok and do goody ass dances!

by rir1xo August 9, 2025

SYFM

SYFM - meaning "SHUT YOUR FUCKING MOUTH".

usage is like sybau, "SYFM🥀"

by lilman418 May 29, 2025

Syfm

An abbreviated word for "Shut your fucking mouth"

Dumbass: Sorry but zahide won this trend
Person: Syfm🥀

by therelnob June 15, 2025