Date of Birth

Daughters of Bilitis - an international lesbian and feminist organization

New York City Transit Department of Buses

2,5-dimethoxy-4-bromoamphetamine, Bromo-DMA, a psychedelic drug

Deutsche Oper Berlin

Division of Banks - an Australian Electoral Division in New South Wales

Dust of Basement

Dob is also astronomer slang for a Dobsonian telescope. Dob (to dob in) is also an Australian English language colloquialism meaning "to inform (on someone)" Dob Drop on by. DOB Decoder output buffer