Definition of wowsers in English:

wowsers

(also wowzers)

exclamation

informal
  • Expressing astonishment, admiration, or enthusiasm.

    ‘the smell alone is fabulous, but the taste—wowsers’
    ‘wowzers, where has the time gone?’
    • ‘Wowzers - she looks incredible in a series of beach snaps uploaded to her Twitter account this evening.’
    • ‘I know these are just two opinions from a couple of random dudes, but wowzers.’
    • ‘And wowsers, is there a lot to take in.’
    • ‘This pretty lake is fed by a waterfall of 170 ft. Wowsers!’
    • ‘Wowsers, we'd worked for that.’

Origin

1980s: alteration of wow.

Pronunciation

wowsers

/ˈwaʊzəz/