Definition of I don't mind if I do in English:

(I) don't mind if I do

informal Used to accept an invitation: ‘Have some breakfast.’ ‘Ta very much—don’t mind if I do.’
More example sentences
  • ‘In that case, don't mind if I do,’ and the blonde dived towards Sato.
  • Suddenly a grenade landed next to him, ‘Oh, don't mind if I do.’
  • ‘Thank you, don't mind if I do,’ and Francis took a seat in one of the two chairs in front of Henry's desk.
See parent entry: mind

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Word of the day anomalous
Pronunciation: əˈnɒm(ə)ləs
adjective
deviating from what is standard, normal, or expected