Alternate acronym is Old Dirty Brueggz. This is usually used in past tense, describing an intense night of drinking and sleazy ludicrous actions on one person's behalf.
Person 1: Man did you see John throw up all over himself last night and try to hit on that Freshman?
Person 2: Yea, he pulled an o.d.b.
Person 2: Yea, he pulled an o.d.b.
by Tubesox December 01, 2006