You use or other in expressions like somehow or other and someone or other to indicate that you cannot or do not want to be more precise about the information that you are giving.
[vagueness]
I was going to have him called away from the house on some pretext or other.
The Foundation is holding a dinner in honour of something or other.
Somehow or other he's involved.
See full dictionary entry for other
or other in British English
(preceded by a phrase or word with some)
used to add vagueness to the preceding pronoun, noun, noun phrase, or adverb
some dog or other bit him
she's somewhere or other
See full dictionary entry for other
Examples of 'or other' in a sentence
or other
We film these life stories in people 's homes or other comfortable settings.
Christianity Today (2000)
The real question is whether the mentally ill blame themselves for life 's hopelessness or others.
Times, Sunday Times (2007)
But credit reference agencies hold no information about a person 's salary or other income.
Times, Sunday Times (2007)
You think in a calm, realistic way instead of being swayed by your emotions or other people 's expectations.
The Sun (2013)
Your mind is sharp and you can think things through, without feeling pressured bytime or other people 's opinions.
The Sun (2008)
She needs help to get over the attack so she isn't flooded with awful memories because of your smoking or other people 's.