Benedum Rain Dance

Noun: The arm-waving, body-jerking action taken by users of "hands-free" water fountains to try to activate the sensors and relinquish a stream of filtered earth sauce into our gaping piehole. Named for the notorious water fountains in Benedum hall of engineering at the prestigious University of Pittsburgh

Scrambleisha had thought she was thirsty before, but after a few seconds of the Benedum Rain Dance, she was positively parched.