Breadcrumb Home > Dictionary > Index W whizzo: Meaning and Definition of Find definitions for: whiz•zo Pronunciation: (hwiz'ō, wiz'ō), [key] — Brit. Slang. Brit. Slang. —adj. absolutely first-rate; superb; excellent. —interj. (used as an exclamation of approval, wonder, or pleasure.) Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. whizzer who TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language