Verb. The act of quickly switching
windows away from
whatever you were doing (generally fucking around) to
something more appropriate (say, Excel) when your boss or other authority figure gets within eyeshot of your screen, thereby maintaining the appearance of diligence.
Also useful as an exclamation.
"The problem with
youtube is that when you have to scheizentoggle, the
sound keeps playing."
"My boss totally caught me scheizentoggling out of facebook about a dozen times
today."
"Scheizentoggle!"