Somebody/something/somewhere or other - Idioms by The Free Dictionary
somebody/something/somewhere or other
something or other
An indeterminate thing; something. Oh, they were talking about something or other, I couldn't quite hear them.
ˈsomebody/ˈsomething/ˈsomewhere or other used when you do not think it is necessary to be more exact about somebody/something, or to show that the person/thing/place mentioned does not have much importance or value in your opinion: ‘What did you have for pudding?’ ‘Oh, something or other covered with cream.’ ♢ ‘Where’s your pen?’ ‘Oh, I lent it to someone or other at work and they forgot to give it back.’