Definition of gasser in English:

gasser

noun

informal
  • 1A chatterer.

    ‘he's no toothless old gasser sunning himself in the park’
  • 2US A very attractive or impressive person or thing.

    ‘that story you wrote for me is a gasser!’
    • ‘Even the title song was a gasser.’

Pronunciation

gasser

/ˈɡasə/