A white queen is a female who has encountered too many white knights and is on a high horse. Feeling so good about herself after an abundance of unnecessary complements, she will think she is out of any guys league. However, the reality of it is that most white queens are fat whales or 6/10's. They receive the abundance of compliments from the majority of males that are too afraid of approaching 9/10s, and therefore settle for the lower grade of female in hopes of avoiding rejection.
Jeff: "Look at all those guys white knighting Katie..."
Bert: "No thanks Jeff...She walks around thinking and acting like she's so hot. She's a 6/10 at best. She's definitely a white queen."