( BrE , informal ) an ordinary person who is typical of many others :
Can you persuade the man on the Clapham omnibus that it is useful?
( BrE , informal ) an ordinary person who is typical of many others :
Can you persuade the man on the Clapham omnibus that it is useful?
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005