Definition of SY

The Meaning of SY

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The Top Definition of SY

The most popular meaning of SY is: Sincerely Yours

What Other Meanings of SY Are There?

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What is SY?

SY is Sincerely Yours

SY Means

The definition of SY is "Sincerely Yours".

SY Definition

The meaning of SY

SY means Sincerely Yours.

Now you understand the definition of SY - SY means "Sincerely Yours".

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What does SY mean? SY is an acronym, abbreviation or slang word that is explained above. If you ever forget what SY means, just come back to and we'll define any acronym you need help with.

  1. SH - Self harm/Self harming.
  2. SH - same here
  3. SH - s**t happens
  4. TY - Thank You
  5. SH - Shit Happens
  6. S^ - What's Up
  7. SYT - Sweet Young Thing
  8. SYU - sex you up
  9. SYY - Shut your yapper
  10. SZ - sorry
  1. 187 - ashraf Montel ahmed's code which (1) means I, (8)
  2. 2BZ4UQT - Too Busy For You Cutey
  3. 2EZ - Too easy
  4. ADSL - Asymmetric Digital Subscriber Line
  5. AIDS - Acquired Immune Deficiency Syndrome
  6. AJAX - Asynchronous Javascript and XML
  7. ASBMAETP - Acronyms should be memorable and easy to pronounce
  8. BAE - acronym for Barium Enema. Barium symbol on Periodi
  9. BBS - Bulletin Board System
  10. BDBI5M - Busy Daydreaming Back In 5 Minutes