A woman who acts as if she were too good for anyone and on a level of class no one else can be.
The rapper Trina used the abbreviation "siddy" in her version of "Party like a Rockstar".... Quote "Plus these bitches real siddy." ei. She is acts like she is too good for anyone;therefore, I can't be around highsiddy women like her.
by Jasmine Brunson January 01, 2008