We had a bloke when I was doing my apprenticeship who shat in the swarfega tin as a parting gift when he got the sack. First person in the washroom got a handful of turd.Actually, that reminds me of a story I CAN tell.
There was a kid at school who was scat obsessed. He shat in a jar and put it in the teacher's cupboard.
His next one was into a commercial foodmixer with minced beef which was used to make the rissoles for the evening meal.......