Cereal Killer
Slightly more than a drabble. It didn't work well when cut down to 100.
Vimes found Angua in the canteen, about to fall asleep in her breakfast.
"Morning sergeant," he said. "When you're done go and get some re- What is that you're eating?"
Angua blinked at him. "I think it's called 'serial'."
"Looks like soggy cardboard."
"Tastes like soggy cardboard, sir. With sugar. It was the only thing around that wasn't swimming in lard."
"Oh. Why's it called serial?"
"Not sure. Maybe because eating a bowl of it makes you want to go and kill lots of people?"
The thought of a werewolf made homicidal by her breakfast was not a good one. He patted her on the shoulder.
"Stick to fruit."