Sara cast an annoyed glance at her friend Lindsay, her view obstructed slightly by the pink swell of her own bulging cheeks. The slender blonde was giggling incessently as she held down the trigger on the miniature air compressor clutched in her hand, her wide, full-lipped mouth pulled into a gleeful, mischievious grin. Sara rolled her eyes and chomped irritably on the hose that Lindsay had thrust into her mouth, wincing as she felt the seams on her shirt start to give. The black Guinness t-shirt had always been one of the tougher articles of clothing in Sar