Looking for synonyms for the colloquial expression "idiot sheet"? Well, this term is usually used to refer to a cheat sheet, a crib sheet, or a guide sheet. These are all documents that help you remember information that you might otherwise forget. A cheat sheet is often used in exams, while a crib sheet is used in business or on-the-job training. A guide sheet is meant to give you a quick reference to important information. Other synonyms for "idiot sheet" include a reference sheet, quick reference guide, cheat card, crib card, or guide card. These handy tools can be a lifesaver when you need to quickly recall vital information on the go.