Knock On Computer Screen Edit Meaning

1.

1.) A saying/action you bring up when something is almost done loading on your old-as-time-itself computer and you don't want anything to screw up.

2.) A substitute for knock on wood when no real wood is around, especially when posting a message online or using an instant messenger.

"I have never gotten the blue screen of death. (knock on computer screen)"

See knock, on, wood, computer, substitute