Casually, Hazel sits up, the pressure on her bowels insane. Slightly, she lifts her rump off her seat, and proceeds to push. She thanks herself for wearing bigger, tighter panties today as a fist-sized lump falls into her pants. One more slight heave - whoops.
A rumbling and splat of more poop in her pants follow, the class' attention no longer on the teacher.
'Hazel? Hazel, what're you doing?'