Definition of lumme in English:

lumme

exclamation

British
informal, dated
  • An expression of surprise or interest:

    ‘‘Lumme!’ said Quigley. ‘She isn't half a size!’’
    • ‘Oh lumme, she does get morbid.’
    • ‘Cor, lumme, she is as beautiful as I expected.’

Origin

Late 19th century: from (Lord) love me.

Pronunciation:

lumme

/ˈlʌmi/