What Do You Think Of People Who Ride Unicycles In Public?

When you do something, you take some action or perform an activity or task. Do is often used instead of a more specific verb, to talk about a common action involving a particular thing. Do as i say and you won't get into trouble.

[transitive] do something (usually used in questions) to work at something as a job. To perform the tasks or behaviors typically associated with (something), especially as part of one's character or normal duties.