The meaning of the Acronym YY is...

YY is

• Two-digit year date
• Ying Yang

More Meanings For YY:

• Yoboseyo And Yeu
• Two-digit year date
• Ying Yang
• Two-digit year date
• Two-digit year date
• Two-digit year date
• Two-digit year date
• Yothu Yindi

YY is also in:

• Military
• Music
• NASA
• Physics
• Transportation
• United Nations
• US Government