Definition of yowza in English:

yowza

(also yowzah, yowsa, yowsah)

exclamation

informalUS
  • Used to express approval, excitement, or enthusiasm.

    • ‘yowza, that was some exciting basketball weekend’
    • ‘a compact flatbed scanner for a mere $20, yowza!’
    • ‘Yowzah! These results are incredible’

Origin

1930s (as yowzah): perhaps representing a regional or colloquial pronunciation of yes sir.

Pronunciation

yowza

/ˈjaʊzə/