Sabotage 101: The "Lost" Stapler Stapling documents with a flourish, then feigning forgetfulness when asked about it. Bonus points if you staple your colleague's report in the middle of a meeting.
The "Accidental" Email CC Sending a meeting invite to your boss, with your boss's email address as the CC. Watch as your boss tries to explain why they didn't get the invite.
Desk Fortification Piling all your office supplies on your desk, making it impassable to navigate. Bonus points if you claim it's a "new workspace design concept."