Presumably the act of building and maintaining a web page. Coined by Paul "PR Paul" Christoforo in his correspondence with Dave, a costumer of a firm he was representing at the time.
Popularized by the correspondence appearing on Penny-Arcade.

Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.

To have owned a website (usually on the internet).