A male or female that not only happens to be very good-looking, but also has a high quota of intelligence, whether they display it openly or not. Usually mistaken for a Bimbo at first until a high degree education or mental prowess is accidentally or purposefully revealed.
"It seems I misjudged her. I took her for a complete air-head when we first met because she's so good-looking and ditsy, but it appears she has a first degree in law. A Bimbollectual, who'd have thought it."