The designated hot person in a class, alongside the class clown and teacher's pet.
When the Class Clooney asks a question, the rest of the class is encouraged to stop scrolling and look up for the first time since class began, so they can subtly objectify the charming timbre in the Class Clooney's voice, and calmly envy their every atom.
The Class Clooney caused a disruption when she decided to sit in the back of the class.