What is O&s?
Abbreviation for 'odds and sods' derived from 'bits and bobs'; small and often trivial pieces of items, information, tasks etc. that usually remain after sorting.
Can also be spoken as seen, "oh en es".
"Does anything in particular go in this box?"
"No, just odds and sods."
"Are you doing much tomorrow?"
"It's an O&S day."