Definition of precaution written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. Learner's Dictionary mobile search
Freebase(0.00 / 0 votes)Rate this definition: Mutt and Jeff. Mutt and Jeff was a long-popular American newspaper comic strip created by cartoonist Bud Fisher in 1907 about two mismatched tinhorns.. It is commonly regarded as the first daily comic strip.
~ Jeff the Killer's most famous quote. Jeffrey Jeff Woods (also known as Jeff the Killer) is the titular main protagonist of Creepypasta of the same name who loses his sanity and begins killing to satisfy his homicidal urges. He has become one of the largest Creepypasta icons to date, even rivaling Slender Man.