What does SY mean?

Sincerely Yours

SY

Other definitions of SY:

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How to use the term
SY:

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References:

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More slang terms:

DWIOYOT

DWIOYOT

Deal With It On Your Own Time

881

881

Bye Bye (from Chinese pronounciation)

LAWL

LAWL

lauging out loud with a southern drawl

BOOST

BOOST

to brag or exaggerate