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.
A term to refer to multiple police officers or any other law enforcement agencies. The origin of the slang comes from the TV series Adam-12, which ran from 1968 to 1975. It is idiomatic to say fuck 12, meaning fuck the police, especially in hip hop music.