screen sucking 

To browse the internet for hours without purpose, as if in a trance.

"I can't believe that I spent the entire night screen sucking."

screen sucking by F D Morrow July 8, 2007

screen sucking 

wasting time online long after you have finished what you signed on to do.

i'd be done with that job if i hadn't got caught up screen sucking.

screen sucking by gnourtanit January 15, 2006