New American Dream Dictionary

by Joan Seaman - Tom Philbin
1. If one thinks of him/herself as a member of the baseball team, the dreamer has high regard for him/herself.

2. If yan­kees baseball team visits one’s city or town, the dreamer is opti­mistic about something.

3. Set in one’s ways.

4. A winner.

Encyclopedia of Dreams

by Michael and Elizabeth Thiessen
To be called a Yankee in your dreams mean your sweetheart could be less then true.

To call someone else a Yankee portends that your plans will go forward as you wished.

To see Yankees visiting your city shows much happiness and possible gains.

Ten Thousand Dream Interpretation

by Gustavus Hindman Miller
To dream of a Yankee, foretells that you will remain loyal and true to your promise and duty, but if you are not careful you will be outwitted in some transaction.