Are you offending by manspreading or having bants?

Those are just some of the 1,000 new words added to OxfordDictionaries.com in its latest quarterly update, which reveals current trends in the usage of language.
New entries include manspreading, when a man sits with his legs wide apart on public transport encroaching on other seats, bants, short for banter, and NBD, an abbreviation of no big deal.