whizzo

[ hwiz-oh, wiz-oh ]
/ ˈʰwɪz oʊ, ˈwɪz oʊ /
British Slang.

adjective

absolutely first-rate; superb; excellent.

interjection

(used as an exclamation of approval, wonder, or pleasure.)

Origin of whizzo

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019