Definitions by ODgroup

OD's 

A secret society group at Oxford University made popular through their high levels of steez in all aspects of life. If you are an OD you represent excellence in all facets of university culture - sport, academics, clubbing and gyming.

'wow you played football like one of the OD's today'

'who do you think you are, one of the OD's?'

'OD's and out people.'

OD's by ODgroup April 19, 2012