Post his direct dial phone number (or email) on a craigslist ad for "casual encounters" (M4M of course)
Rub his phone handset on your ass (oh wait, thats not sanitary)
Order a copy of the Book of Mormon for him, delivered to the office. If they ask you if you want one of their 'representatives' to hand-deliver, you of course say yes (after explaining your difficult schedule). Make sure you schedule their arrival for early morning AFTER a night of debauchery.
Set the home page of his internet browser to some annoying website full of pop-ups and loud noises--make sure his speakers are on and at full volume.