M.Y.D.O. 

MasturbateYourDickOff:

Used when chatting with a guy. Most often used at the end when the guy cuts of the chat abruptly, usually to masturbate. therefore you say mydo. and since i just made it up, they won't know what your talking about, well, til now

After a sexy conversation....

Guy: um... yeah.. g2g

Me: mydo!

Guy:wtf

*looks it up on urbandictionary*

Guy: >:O Hey!

M.Y.D.O. by O_Xx May 27, 2005

d o double g 

1. Snoop Dogg, the incredible rapper from Long Beach...(one of his many nicknames)

2. A "gangzta" spelling of the word 'dogg.'

1. Man, did you see da D O double G in concert last night? shit was off da hook!!

2. Wasup my d o double g??

d o double g by jcdluvr27 April 27, 2005

D.O.A 

Police term: "dead on arrival"

Bruce was D.O.A, he had 20 Mac-10 shells in his chest

D.O.A by ac January 31, 2004

D O M 

A DIRTY OLD MAN who perves/touches/looks for younger wemon, a pedo etc.

i saw your dad havin' a perve on your little sisters friends the other day, he is a D O M

D O M by Horse September 24, 2005

D-O-double jizzle

When you use two glazed doughnuts to beat off with

D-O-double jizzle by BRAUCHWURST April 19, 2003

D-O-double-G

DOGG- short for SNOOP

"It's the motherfuckin D-O-double-G"
or
"You know I'm mobbin with the D-O-double-G "

D-O-double-G by iNSTRUCT_0r June 7, 2003

D.O. 

Doctor of Osteopathic Medicine

Person A: "Are you doctor...an M.D.?"
Person B: "Yes, I'm a doctor, but I'm a D.O.!"

D.O. by ctak July 16, 2006