Queen Bee Meaning

(idiomatic, colloquial) The most important or dominant woman in an organisation or situation.

Example: A reproductive female (especially the only one) in a colony of bees.
1947, AI Root, The ABC and XYZ of Bee Culture, Kessinger 2005, p. 205:
  It is generally believed that the queen bee mates only once in her lifetime.
2003, Jim Hatfield, Extra Marital Temptations, iUniverse 2003, p. 28:
  She muttered to her mother, “There's that obnoxious redhead who thought she was the Queen Bee last year when she was a senior!”