O.D 

Over Dose. Mostly used in the slang way as in, it went past the limit:

That was O.D when the police killed the innocent lady.

O.D by Jomairy January 15, 2003

O D 

O D means to overdose on something, to take an excessive amount of something.

Alyssa O D'd on dick so now she's mudded out.

O D by Miss Thickness December 30, 2005

O.D. 

overdose; generally fatal, in so much as that one's system cannot handle the quantity of drug being pumped into it; hence death; generally a body-wide systems failure.

as drugs become the more popular venue of entertainment/escape the rate of O.D. rises in accordance.

O.D. by Ilianivich March 15, 2003

o.d 

Over Doing it

the way jesus got beat was o.d

o.d by Eric April 3, 2004

O.D. 

To over-do; An unnecessary overexageration.

You swam through the Atlantic? That's O.D. Stop lying...

O.D. by Daphya .aka. Melizzah A. December 26, 2004

O.D. 

over-doing something

he O.D.ed with that fight

O.D. by toudai_ronin April 13, 2003

O.D. 

over dose

I o.d.ed on crack.

O.D. by The Dickey March 15, 2003