syfm

Shut yer fuckin mouth. much similar to stfu

syfm n00b i pwn you

by haMz October 7, 2004

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SYFM

Short for "shut your fat mouth".

CrZyLdy77: omg! i just got tix to see fall out boy!1!
MUNKYchick12: no way! SYFM!!!
CrZyLdy77: no, rlly!!!!!!!!!1!

by ChigglyWiggly May 9, 2007

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Related Words

syfm • Syfmban • syfmu • syfmyfpos

syfm

shut your fucking mouth

when someone is speaking too much eg.
someone: yap
you: boy syfm

by zkriyh March 23, 2026

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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

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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

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