i , like most everyone else on campus , have spent the past 24 hours dodging teenage girls performing somersaults in the middle of sidewalks , avoiding perilous towers of girls stacked one-upon-anothers shoulders ( sometimes three- , four- , or five-girls tall ) , being struck in the head by wayward batons twirling out of inexperienced hands at 60 revolutions per second , being goosed by the tips of errant flagpoles and toy wooden rifles , or taking pompons to the chin , chest or gut while trying to maneuver around a group of hormonally supercharged girls brimming with team spirit .