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.
Minecrafter:I likeminecraft.
Robloxer:If you hate roblos and you think its garbich and childich then get out of my bage beacause all you gonna see is roblos G O O D B Y E.
Acronym for "End Of Day Boner." When a sexy co-worker engages in less than appropriate office behavior, such as: flirting, suggestive emails, revealing dress, etc. Actions such as these that last a full working day result in heavy blood flow to the penis region causing an erection that can not be tended to until after work hours.
Jessica's cleavage and suggestive emails about "motorboats" totally gave Ian an E.O.D.B.