The meaning of the Acronym YM is...

YM is

• Yahoo Messenger

More Meanings For YM:

• Young Man
• Why Me?
• Yahoo Messenger
• Young Man
• Why Me?
• Young Miss
• You're Mean!
• Yo Mama
• Yang Mills method
• Youth Medium
• Yeast and Mold
• Quantico Young Marines
• Young Marines
• Yucca Mountain
• Yucca Mountain

YM is also in:

• Chat
• Clothes
• Food
• Military
• Physics
• SMS
• Software
• State and Local