They can't all be gems, so don't let a few of complaints to HR and a temporary restraining order stop you from pulling legs and poking fun. You didn't get crowned The Wise Cracker because you're smart and white, so stop holing up in your cube and start making abortion jokes around your barren co-workers.
You've got to throw a whole pot of spaghetti at the wall if you want a couple of noodles to stick.