Percussive maintenance

[Dave Paprocki]

The instance of hitting an [electronic device] in blind rage in order to [restore] normal [functionality], often resulting in more damage the device (and in some cases the user as well).

[Sommer]

The [fine art] of [bludgeoning] an [electronic device] in order to encourage it to work properly. Vigorous usage of this technique often renders said device permanently nonfunctional.