She's the quintisential bimbo. She's blonde and dense and contsantly oozes condescending chatter, just like she constantly oozes fugly ratty curls from her murky skull (similair to the "betty spaghetti doll").
Her delusional sense of self-righteousness is constantly of frustration to those who are unfortunate enough to meet her.
"Who the fucks that blonde rat?"
"That's our resident Betty Spaghetti..."