MUZZ Meaning of MUZZ in English /muz/ , Brit. Slang.v.i.1. to study intensely; grind. v.t.2. to confuse (someone); make (someone) muzzy. [ 1765-75; back formation from MUZZY ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012