I would use the Emmanual Goldstein Gambit: Approach the intern and let her know that you just overheard [the most attractive guy in the office] describe her as a 'sweet piece of fuck-meat' and that when you heard this you were angry and nauseous and that you had to immediately tell her that in the little amount of time that you have seen her around you have admired her dedication and professional attitude. That you see her as something more than a sexual object.
Then grab both her breasts.
Then grab both her breasts.