curbstoning n. the conducting of (streetside) business without a license, especially automobile sales and formerly real estate; among census-takers, falsifying information about a household. Etymological Note: Both senses of the curbstoning come from the notion that the activity is performed on the street, at the curb. (source: Double-Tongued Dictionary)
Further reading
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...
Amid court-ordered busing in the 1970s, a middle-school teacher tried to distract her nervous students on the first day of class with this strange assignment: find a monarch caterpillar. The result? A memorable lesson in the miracle of metamorphosis...