DOB Meaning of DOB in English ■ verb ( ~s , ~bing , ~bed ) ( ~ someone in ) Austral./NZ informal inform on someone.Derivatives~ber noun Origin1950s: figurative use of dialect ~ 'put down abruptly', later 'throw at'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004