Scrolling

from The Free On-line Dictionary of Computing (8 July 2008)

scrolling

   <chat, games> To flood a {chat room} or {Internet game} with
   text or {macros} in an attempt to annoy the occupants.  This
   can often cause the chat room to be "uninhabitable" due to the
   "noise" created by the scroller.  Compare {spam}.

   (2001-03-27)