I would also point out that the justices could simply say something like, "Could you please provide a definition of the term 'troll' for the court?" This should

I would also point out that the justices could simply say something like, "Could you please provide a definition of the term 'troll' for the court?" This shouldn't be considered clueless because even if the justice does know the definition, it establishes a record of the terms as they're used in what follows. I would hope that the reason we get these seemingly silly quotes is rather that the justices usually do this, and the occasional jokes result from boredom (even if they do show some misunderstanding).