Yeah, that one is a classic. Most folks have gotten wise to it over the years though. We’ve stopped doing it, because it’s one of the first things people look for if their mouse isn’t working right.
My newest one is to strip the keyboard wires, and spray a very thin coat of PAM cooking oil on the keys, then put the keyboard wires into the electrical outlet.
They do NOT need coffee after a 120 volt jolt!!!
aaaaAAAAAAHAHAHAHAHAHAHAHAHAHAHAHA