Definition of "Buller"

Writing in Radio Times, Michael Cockerell, the veteran political film-maker, reveals that the documentary includes a scene in which Johnson examines a famous photograph of himself, Cameron and other members of the “Buller” in their blue tailcoats with white silk facings, mustard waistcoats and gold buttons.

2013 March 19, Adam Sherwin, “‘Toffishness and twittishness’—Boris Johnson spills beans on Bullingdon Club and reveals childhood ambition to be ‘world king’”, in The Independent‎

Osborne is said to have been ragged by fellow Bullers over having attended St Paul's, the top London day school, which is, apparently, not posh enough.

2008 May 8, Barney Ronay, “Young, rich and drunk”, in The Guardian‎