The meaning of the Acronym SDY is...

SDY is

• Seconds Did You

More Meanings For SDY:

• Spectrum Dyed Yarn
• Start Deck Yugi
• Starter Deck Yugi
• Seconds Did You
• Spectrum Dyed Yarns, Inc.
• S. Dilworth Young
• Sidney- Richland Municipal Airport, Sidney, Montana USA

SDY is also in:

• Airport Codes
• Clothes
• Famous
• Firms
• Funnies
• Hobbies
• Unfiled