What is Otbm?
1.
An acronym for "Off The Books Mrs" these four letters are referred to usually by men in reference to a second simultaneous partner unknown to a current girlfriend or wife.
John told his girlfriend that he was staying late in the office but he was actually off to meet the OTBM
See
Random Words:
See unavailable, error, server
7.
(v.i.) Out to lunch; not having it together; acting in a stupid way. Typically derogatory.
Derivation: ..