A chalk talk is a monologue presentation done while the speaker draws.
The mood was more slumber party than chalk talk.
Before one patrol, a chalk talk from a superior includes these instructions: "Be polite.
Hans was known for his chalk talks, in which he would entertain visitors as he drew.
He also emceed charity and benefit shows and gave chalk talks.
Charles Barkley gave a chalk talk before tonight's game here.
In the evening, they gave chalk talks, or blackboard lectures.
One wall held a blackboard covered with fragments of old chalk talks.
The competing cameras recorded everything, every chalk talk in the meeting room, every meal.
They had no progress to report, but one after another they expressed satisfaction with being allowed to listen in on big-time chalk talk.
