i think an unwritten rule of the office urinal is trying to dissolve the urinal cake over the course of a day before the cleaning lady replaces it with a fresh one.
After copius amounts of coffee and bottled water throughout the day, i find myself blitzkreiging the blue menace like blasting the Stay Puft Marshmallow Man in Ghostbusters hoping to dissolve it away or wear a donut-hole in the middle of it. If you swing that way, you could find a co-worker and 'cross the streams' for a more effective result, but thats pretty gay.
Unfortunately our senorita is on top of her game and usually has a fresh puck in there by mid-afternoon, but if she misses a day you can usually throw a fist in the air with accomplishment by days end if the others in the office are holding up thier end of the powerblast.
and always remember, especially at a bar after several adult beverages:
