firehosing

(literally) The act of dousing a fire, as a firefighter might put down a fire by dousing it with a large amount of water.

(metaphoric) Extensive and possibly excessive criticism of an idea by presenting an overwhelming number of arguments against it.

(videography) Video camera movement intended to record as much of a scene as possible, such as by swinging the camera from side to side, usually in a way that makes the resulting footage worthless.