SY
SY definition by Slang.net
This page explains what the acronym "SY" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
We are constantly updating our database with new slang terms, acronyms, and abbreviations. If you would like to suggest a term or an update to an existing one, please let us know!
Can you score under par in this golf terms quiz?
When used at the end of an email, SY stands for "sincerely yours." It's a quick way to abbreviate what is many writers' standard email sign-off.
A friend or family member who ends an email with SY likely means it, and has written you an honest, heartfelt message. (Which you should respond to sometime, huh?) Anyone else who ends an email with SY is likely using it as a simple platitude (as most of us do).