Usage: CLIENT <class> SET FLOOD <multiplier>

This setting will relax the flood limits imposed by a multiplier that is set. The multiplier allows server administrators to configure client classes to have a higher flood ration than that of other client classes on the server.

/as client WebMaster set flood 2

You may wish to have certain clients have immunity from harsh flood control settings. A good example are triva or informational bots that are in a multitude of channels.