Noun
(informal, humorous) A state of extreme uncleanliness, especially one which involves food mess left for an excessive period of time that is liable to spoil, rot, mold, etc.
No science experiments in the fridge, please.
Used other than figuratively or idiomatically: see science, experiment.
We were doing a science experiment in class involving the dissection of frogs.
No offense but I don't relish being someone's science experiment. Been there, done that, and sold the T-shirt for profit. (Sebastian) Sherrilyn Kenyon
I think what my father appreciated was the science experiment of life. He had these kids, and they had their own experiences. He wanted us to discover the world for ourselves. Ahmet Zappa