o.b., noun2
/əʊ ˈbiː/
- Origin:
- AfrikaansShow more Abbreviation of Afrikaans oubaas, see oubaas.
rare
A form of address to a prison warder. Cf. oubaas sense 2.
1983 J. Cronin Inside 16Johannes Stephanus Februarie! Gives a small stylized skip. — Ja, o.b. (Ou baas worn short with long use).
A form of address to a prison warder.

Chrome
Firefox
Internet Explorer
Safari