see under or other.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use something or other in a sentence
His name was Lefty something-or-other, and he was about the sneakiest stool the department had.
Though this was fair, and that was something else, and a third was so-and-so, yet none of them was Mary Something-or-other.A Country Gentleman and his Family | Mrs. (Margaret) Oliphant
Verny, you know when you told me to salt something-or-other, I thought you meant chowder; so I put in as much as I felt it needed.Girl Scouts at Dandelion Camp | Lillian Elizabeth Roy
How could he accept something-or-other from such a churl accompanied by a threat?The Life of Ludwig van Beethoven, Volume III (of 3) | Alexander Wheelock Thayer
It was Chateau of something-or-other, and of some year, but Breen was too wise to correct him.Peter | F. Hopkinson Smith