“Yo!” said the Dean. “Yo what?” said Ridcully. “It’s not a yo what, it’s just a yo,” said the Senior Wrangler, behind him. “It’s a general street greeting and affirmative with convivial military ingroup and masculine bonding-ritual overtones.” “What? What? Like ‘jolly good’?” said Ridcully. “I suppose so,” said the Senior Wrangler, reluctantly.
