Urban Fog 

What happens when you are sent an Urban Dictionary definition and it leads you to the site where you find more interesting definitions and eventually sink into pages and pages of the fun, yet time consuming fog.

Oh, Man, I just blew my coffee break in my cubicle lookin' at UD pages. It was a total Urban Fog!"

Urban Fog by Schoeswife January 6, 2010

urban fog 

It is also known as smog. It is abundent in most big cities specifically Los Angeles.

Man, the urban fog is making it hard to see.

urban fog by Al "The Computer Guy" April 16, 2004