Definitions by -LL17

Someone must have shit in his cereal 

To be grumpy or a curmudgeon, someone who is often in a bad mood

Boy that guy is a pain in the ass. Someone must have shit in his cereal

“No wonder it seems like someone shit in his cereal.”

― Upon Stilted Cities: The Winds of Change

Someone must have shit in his cereal by -LL17 February 14, 2019