Definition of ee bah gum in English:

ee bah gum

(also ee by gum)

exclamation

Northern English
  • Used to express a range of emotions, such as surprise or delight, or for emphasis.

    ‘ee bah gum, he's made a reet mess’
    ‘ee by gum, that's grand’

Origin

1920s from ee and by gum (see gum), with bah representing a regional (especially Yorkshire) pronunciation of by.

Pronunciation

ee bah gum

/iː bɑː ɡʌm/