From Longman Dictionary of Contemporary EnglishAOBAOB /ˌeɪ əʊ ˈbiː $ -oʊ-/ British English BBB (any other business) things which are not written on the list of subjects to discuss at a meeting, but which people want to talk about after all the other subjects have been discussedFrom Longman Business DictionaryAOBAOB any other business; the time during a meeting when people can discuss things that were not on the AGENDA (=list of subjects to be discussed)