What does SYFM mean?

shut your f**king mouth

SYFM

Other definitions of SYFM:

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SYFM:

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More slang terms:

OTC

OTC

Over the Counter

GCSE

GCSE

General Certificate of Secondary Education

2DFM

2DFM

Too dumb for me

Jabroni

Jabroni

A slang term that usually refers to a person who is overly confident, and is actually unskillful.